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Finding the Fourth Proportional to 54,432, 81,648 and 17,496

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Solution

The fourth proportional to 54,432, 81,648 and 17,496 is: 26,244

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,432 : 81,648 = 17,496 : x
  2. Step 2: Convert to fraction form
    54,432/81,648 = 17,496/x
  3. Step 3: Cross multiply
    54,432x = 81,648 × 17,496
  4. Step 4: Simplify right side
    54,432x = 1,428,513,408
  5. Step 5: Solve for x
    x = 1,428,513,408/54,432
  6. Step 6: Final answer
    x = 26,244

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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.