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Finding the Fourth Proportional to 14,677.39, 21,966.03 and 9,337.87

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Solution

The fourth proportional to 14,677.39, 21,966.03 and 9,337.87 is: 13,974.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,677.39 : 21,966.03 = 9,337.87 : x
  2. Step 2: Convert to fraction form
    14,677.39/21,966.03 = 9,337.87/x
  3. Step 3: Cross multiply
    14,677.39x = 21,966.03 × 9,337.87
  4. Step 4: Simplify right side
    14,677.39x = 205,115,932.56
  5. Step 5: Solve for x
    x = 205,115,932.56/14,677.39
  6. Step 6: Final answer
    x = 13,974.96

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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.