document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=865216>Question 865216</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a,b,c,d are non-integer real numbers. a, b, c make an arithmetic progression (sequence) in that order and b,c,d make a geometric progression (sequence) in that order.a+d = 37 and b+c-=36. Find d. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #521630 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=521630\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> b-a=c-b,<BR>\n" );
document.write( "d/c=c/b,<BR>\n" );
document.write( "a+d=37,<BR>\n" );
document.write( "b+c=36\r<BR>\n" );
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document.write( "a = 99/4,   b = 81/4,   c = 63/4, <BR>\n" );
document.write( "answer:<BR>\n" );
document.write( "d = 49/4<BR>\n" );
document.write( "BTW An integer solution is a = 12,   b = 16,   c = 20,   d = 25<BR>\n" );
document.write( "but we are told they are not integers.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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