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Finding the Fourth Proportional to 54,807.68, 82,221.88 and 17,377.17

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Solution

The fourth proportional to 54,807.68, 82,221.88 and 17,377.17 is: 26,069.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,807.68 : 82,221.88 = 17,377.17 : x
  2. Step 2: Convert to fraction form
    54,807.68/82,221.88 = 17,377.17/x
  3. Step 3: Cross multiply
    54,807.68x = 82,221.88 × 17,377.17
  4. Step 4: Simplify right side
    54,807.68x = 1,428,783,586.48
  5. Step 5: Solve for x
    x = 1,428,783,586.48/54,807.68
  6. Step 6: Final answer
    x = 26,069.04

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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.