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Finding the Fourth Proportional to 61,692.74, 92,538.72 and 17,319.52

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Solution

The fourth proportional to 61,692.74, 92,538.72 and 17,319.52 is: 25,979.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,692.74 : 92,538.72 = 17,319.52 : x
  2. Step 2: Convert to fraction form
    61,692.74/92,538.72 = 17,319.52/x
  3. Step 3: Cross multiply
    61,692.74x = 92,538.72 × 17,319.52
  4. Step 4: Simplify right side
    61,692.74x = 1,602,726,211.81
  5. Step 5: Solve for x
    x = 1,602,726,211.81/61,692.74
  6. Step 6: Final answer
    x = 25,979.17

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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.