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Finding the Fourth Proportional to 18,179.28, 27,248.88 and 10,370.88

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Solution

The fourth proportional to 18,179.28, 27,248.88 and 10,370.88 is: 15,544.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.28 : 27,248.88 = 10,370.88 : x
  2. Step 2: Convert to fraction form
    18,179.28/27,248.88 = 10,370.88/x
  3. Step 3: Cross multiply
    18,179.28x = 27,248.88 × 10,370.88
  4. Step 4: Simplify right side
    18,179.28x = 282,594,864.61
  5. Step 5: Solve for x
    x = 282,594,864.61/18,179.28
  6. Step 6: Final answer
    x = 15,544.89

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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.