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Finding the Fourth Proportional to 71,141.52, 106,728.48 and 24,391.56

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Solution

The fourth proportional to 71,141.52, 106,728.48 and 24,391.56 is: 36,592.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,141.52 : 106,728.48 = 24,391.56 : x
  2. Step 2: Convert to fraction form
    71,141.52/106,728.48 = 24,391.56/x
  3. Step 3: Cross multiply
    71,141.52x = 106,728.48 × 24,391.56
  4. Step 4: Simplify right side
    71,141.52x = 2,603,274,123.63
  5. Step 5: Solve for x
    x = 2,603,274,123.63/71,141.52
  6. Step 6: Final answer
    x = 36,592.89

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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.