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Finding the Fourth Proportional to 54,959.30, 82,444.17 and 14,978.78

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Solution

The fourth proportional to 54,959.30, 82,444.17 and 14,978.78 is: 22,469.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,959.30 : 82,444.17 = 14,978.78 : x
  2. Step 2: Convert to fraction form
    54,959.30/82,444.17 = 14,978.78/x
  3. Step 3: Cross multiply
    54,959.30x = 82,444.17 × 14,978.78
  4. Step 4: Simplify right side
    54,959.30x = 1,234,913,084.71
  5. Step 5: Solve for x
    x = 1,234,913,084.71/54,959.30
  6. Step 6: Final answer
    x = 22,469.59

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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.