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Finding the Fourth Proportional to 18,456.63, 25,470.17 and 10,073.13

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Solution

The fourth proportional to 18,456.63, 25,470.17 and 10,073.13 is: 13,900.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456.63 : 25,470.17 = 10,073.13 : x
  2. Step 2: Convert to fraction form
    18,456.63/25,470.17 = 10,073.13/x
  3. Step 3: Cross multiply
    18,456.63x = 25,470.17 × 10,073.13
  4. Step 4: Simplify right side
    18,456.63x = 256,564,333.53
  5. Step 5: Solve for x
    x = 256,564,333.53/18,456.63
  6. Step 6: Final answer
    x = 13,900.93

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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.