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Finding the Fourth Proportional to 71,677.68, 107,472.78 and 29,544.72

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Solution

The fourth proportional to 71,677.68, 107,472.78 and 29,544.72 is: 44,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,677.68 : 107,472.78 = 29,544.72 : x
  2. Step 2: Convert to fraction form
    71,677.68/107,472.78 = 29,544.72/x
  3. Step 3: Cross multiply
    71,677.68x = 107,472.78 × 29,544.72
  4. Step 4: Simplify right side
    71,677.68x = 3,175,253,192.72
  5. Step 5: Solve for x
    x = 3,175,253,192.72/71,677.68
  6. Step 6: Final answer
    x = 44,299.05

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1.5x scale

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.