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Finding the Fourth Proportional to 54,432.66, 81,652.02 and 16,997.89

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Solution

The fourth proportional to 54,432.66, 81,652.02 and 16,997.89 is: 25,497.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,432.66 : 81,652.02 = 16,997.89 : x
  2. Step 2: Convert to fraction form
    54,432.66/81,652.02 = 16,997.89/x
  3. Step 3: Cross multiply
    54,432.66x = 81,652.02 × 16,997.89
  4. Step 4: Simplify right side
    54,432.66x = 1,387,912,054.24
  5. Step 5: Solve for x
    x = 1,387,912,054.24/54,432.66
  6. Step 6: Final answer
    x = 25,497.78

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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.