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Finding the Fourth Proportional to 67,957.52, 93,780.18 and 37,741.68

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Solution

The fourth proportional to 67,957.52, 93,780.18 and 37,741.68 is: 52,082.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,957.52 : 93,780.18 = 37,741.68 : x
  2. Step 2: Convert to fraction form
    67,957.52/93,780.18 = 37,741.68/x
  3. Step 3: Cross multiply
    67,957.52x = 93,780.18 × 37,741.68
  4. Step 4: Simplify right side
    67,957.52x = 3,539,421,543.90
  5. Step 5: Solve for x
    x = 3,539,421,543.90/67,957.52
  6. Step 6: Final answer
    x = 52,082.86

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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.