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Finding the Fourth Proportional to 18,446.67, 25,456.32 and 10,063.17

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Solution

The fourth proportional to 18,446.67, 25,456.32 and 10,063.17 is: 13,887.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,446.67 : 25,456.32 = 10,063.17 : x
  2. Step 2: Convert to fraction form
    18,446.67/25,456.32 = 10,063.17/x
  3. Step 3: Cross multiply
    18,446.67x = 25,456.32 × 10,063.17
  4. Step 4: Simplify right side
    18,446.67x = 256,171,275.73
  5. Step 5: Solve for x
    x = 256,171,275.73/18,446.67
  6. Step 6: Final answer
    x = 13,887.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.