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Finding the Fourth Proportional to 41,958.70, 62,938.89 and 15,658.20

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Solution

The fourth proportional to 41,958.70, 62,938.89 and 15,658.20 is: 23,487.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,958.70 : 62,938.89 = 15,658.20 : x
  2. Step 2: Convert to fraction form
    41,958.70/62,938.89 = 15,658.20/x
  3. Step 3: Cross multiply
    41,958.70x = 62,938.89 × 15,658.20
  4. Step 4: Simplify right side
    41,958.70x = 985,509,727.40
  5. Step 5: Solve for x
    x = 985,509,727.40/41,958.70
  6. Step 6: Final answer
    x = 23,487.61

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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.