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Finding the Fourth Proportional to 36,472.70, 54,687.15 and 14,259.59

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Solution

The fourth proportional to 36,472.70, 54,687.15 and 14,259.59 is: 21,380.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,472.70 : 54,687.15 = 14,259.59 : x
  2. Step 2: Convert to fraction form
    36,472.70/54,687.15 = 14,259.59/x
  3. Step 3: Cross multiply
    36,472.70x = 54,687.15 × 14,259.59
  4. Step 4: Simplify right side
    36,472.70x = 779,816,337.27
  5. Step 5: Solve for x
    x = 779,816,337.27/36,472.70
  6. Step 6: Final answer
    x = 21,380.82

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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.