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Finding the Fourth Proportional to 14,337.62, 21,504 and 5,572.70

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Solution

The fourth proportional to 14,337.62, 21,504 and 5,572.70 is: 8,358.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,337.62 : 21,504 = 5,572.70 : x
  2. Step 2: Convert to fraction form
    14,337.62/21,504 = 5,572.70/x
  3. Step 3: Cross multiply
    14,337.62x = 21,504 × 5,572.70
  4. Step 4: Simplify right side
    14,337.62x = 119,835,340.80
  5. Step 5: Solve for x
    x = 119,835,340.80/14,337.62
  6. Step 6: Final answer
    x = 8,358.11

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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.