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Finding the Fourth Proportional to 61,692.56, 92,537.16 and 17,319.68

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Solution

The fourth proportional to 61,692.56, 92,537.16 and 17,319.68 is: 25,979.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,692.56 : 92,537.16 = 17,319.68 : x
  2. Step 2: Convert to fraction form
    61,692.56/92,537.16 = 17,319.68/x
  3. Step 3: Cross multiply
    61,692.56x = 92,537.16 × 17,319.68
  4. Step 4: Simplify right side
    61,692.56x = 1,602,713,999.31
  5. Step 5: Solve for x
    x = 1,602,713,999.31/61,692.56
  6. Step 6: Final answer
    x = 25,979.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.