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Finding the Fourth Proportional to 48,654, 67,143.60 and 29,801.52

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Solution

The fourth proportional to 48,654, 67,143.60 and 29,801.52 is: 41,126.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,654 : 67,143.60 = 29,801.52 : x
  2. Step 2: Convert to fraction form
    48,654/67,143.60 = 29,801.52/x
  3. Step 3: Cross multiply
    48,654x = 67,143.60 × 29,801.52
  4. Step 4: Simplify right side
    48,654x = 2,000,981,338.27
  5. Step 5: Solve for x
    x = 2,000,981,338.27/48,654
  6. Step 6: Final answer
    x = 41,126.76

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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.