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Finding the Fourth Proportional to 54,442.92, 81,612.54 and 17,481

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Solution

The fourth proportional to 54,442.92, 81,612.54 and 17,481 is: 26,204.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,442.92 : 81,612.54 = 17,481 : x
  2. Step 2: Convert to fraction form
    54,442.92/81,612.54 = 17,481/x
  3. Step 3: Cross multiply
    54,442.92x = 81,612.54 × 17,481
  4. Step 4: Simplify right side
    54,442.92x = 1,426,668,811.74
  5. Step 5: Solve for x
    x = 1,426,668,811.74/54,442.92
  6. Step 6: Final answer
    x = 26,204.85

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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.