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Finding the Fourth Proportional to 54,956.80, 82,439.84 and 17,522.20

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Solution

The fourth proportional to 54,956.80, 82,439.84 and 17,522.20 is: 26,284.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,956.80 : 82,439.84 = 17,522.20 : x
  2. Step 2: Convert to fraction form
    54,956.80/82,439.84 = 17,522.20/x
  3. Step 3: Cross multiply
    54,956.80x = 82,439.84 × 17,522.20
  4. Step 4: Simplify right side
    54,956.80x = 1,444,527,364.45
  5. Step 5: Solve for x
    x = 1,444,527,364.45/54,956.80
  6. Step 6: Final answer
    x = 26,284.78

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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.