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Finding the Fourth Proportional to 18,314.71, 27,472.05 and 6,625.19

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Solution

The fourth proportional to 18,314.71, 27,472.05 and 6,625.19 is: 9,937.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,314.71 : 27,472.05 = 6,625.19 : x
  2. Step 2: Convert to fraction form
    18,314.71/27,472.05 = 6,625.19/x
  3. Step 3: Cross multiply
    18,314.71x = 27,472.05 × 6,625.19
  4. Step 4: Simplify right side
    18,314.71x = 182,007,550.94
  5. Step 5: Solve for x
    x = 182,007,550.94/18,314.71
  6. Step 6: Final answer
    x = 9,937.78

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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.