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Finding the Fourth Proportional to 60,578.92, 90,907.26 and 29,397.16

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Solution

The fourth proportional to 60,578.92, 90,907.26 and 29,397.16 is: 44,114.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,578.92 : 90,907.26 = 29,397.16 : x
  2. Step 2: Convert to fraction form
    60,578.92/90,907.26 = 29,397.16/x
  3. Step 3: Cross multiply
    60,578.92x = 90,907.26 × 29,397.16
  4. Step 4: Simplify right side
    60,578.92x = 2,672,414,665.86
  5. Step 5: Solve for x
    x = 2,672,414,665.86/60,578.92
  6. Step 6: Final answer
    x = 44,114.60

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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.