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Finding the Fourth Proportional to 61,957.92, 92,940.40 and 17,581.16

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Solution

The fourth proportional to 61,957.92, 92,940.40 and 17,581.16 is: 26,372.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,957.92 : 92,940.40 = 17,581.16 : x
  2. Step 2: Convert to fraction form
    61,957.92/92,940.40 = 17,581.16/x
  3. Step 3: Cross multiply
    61,957.92x = 92,940.40 × 17,581.16
  4. Step 4: Simplify right side
    61,957.92x = 1,634,000,042.86
  5. Step 5: Solve for x
    x = 1,634,000,042.86/61,957.92
  6. Step 6: Final answer
    x = 26,372.74

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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.