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Finding the Fourth Proportional to 71,562.69, 107,343.90 and 24,782.76

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Solution

The fourth proportional to 71,562.69, 107,343.90 and 24,782.76 is: 37,174.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,562.69 : 107,343.90 = 24,782.76 : x
  2. Step 2: Convert to fraction form
    71,562.69/107,343.90 = 24,782.76/x
  3. Step 3: Cross multiply
    71,562.69x = 107,343.90 × 24,782.76
  4. Step 4: Simplify right side
    71,562.69x = 2,660,278,111.16
  5. Step 5: Solve for x
    x = 2,660,278,111.16/71,562.69
  6. Step 6: Final answer
    x = 37,174.09

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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.