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Finding the Fourth Proportional to 47,372.34, 65,387.34 and 29,458.38

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Solution

The fourth proportional to 47,372.34, 65,387.34 and 29,458.38 is: 40,660.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,372.34 : 65,387.34 = 29,458.38 : x
  2. Step 2: Convert to fraction form
    47,372.34/65,387.34 = 29,458.38/x
  3. Step 3: Cross multiply
    47,372.34x = 65,387.34 × 29,458.38
  4. Step 4: Simplify right side
    47,372.34x = 1,926,205,108.91
  5. Step 5: Solve for x
    x = 1,926,205,108.91/47,372.34
  6. Step 6: Final answer
    x = 40,660.97

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1.5x scale

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.