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Finding the Fourth Proportional to 61,649.87, 85,071.92 and 37,773.27

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Solution

The fourth proportional to 61,649.87, 85,071.92 and 37,773.27 is: 52,124.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,649.87 : 85,071.92 = 37,773.27 : x
  2. Step 2: Convert to fraction form
    61,649.87/85,071.92 = 37,773.27/x
  3. Step 3: Cross multiply
    61,649.87x = 85,071.92 × 37,773.27
  4. Step 4: Simplify right side
    61,649.87x = 3,213,444,414.71
  5. Step 5: Solve for x
    x = 3,213,444,414.71/61,649.87
  6. Step 6: Final answer
    x = 52,124.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.