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Finding the Fourth Proportional to 69,957.61, 96,541.57 and 38,126.53

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Solution

The fourth proportional to 69,957.61, 96,541.57 and 38,126.53 is: 52,614.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,957.61 : 96,541.57 = 38,126.53 : x
  2. Step 2: Convert to fraction form
    69,957.61/96,541.57 = 38,126.53/x
  3. Step 3: Cross multiply
    69,957.61x = 96,541.57 × 38,126.53
  4. Step 4: Simplify right side
    69,957.61x = 3,680,795,233.19
  5. Step 5: Solve for x
    x = 3,680,795,233.19/69,957.61
  6. Step 6: Final answer
    x = 52,614.65

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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.