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Finding the Fourth Proportional to 16,472.70, 24,709.05 and 5,380.56

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Solution

The fourth proportional to 16,472.70, 24,709.05 and 5,380.56 is: 8,070.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,472.70 : 24,709.05 = 5,380.56 : x
  2. Step 2: Convert to fraction form
    16,472.70/24,709.05 = 5,380.56/x
  3. Step 3: Cross multiply
    16,472.70x = 24,709.05 × 5,380.56
  4. Step 4: Simplify right side
    16,472.70x = 132,948,526.07
  5. Step 5: Solve for x
    x = 132,948,526.07/16,472.70
  6. Step 6: Final answer
    x = 8,070.84

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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.