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Finding the Fourth Proportional to 54,392.80, 81,576.24 and 14,952.88

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Solution

The fourth proportional to 54,392.80, 81,576.24 and 14,952.88 is: 22,425.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,392.80 : 81,576.24 = 14,952.88 : x
  2. Step 2: Convert to fraction form
    54,392.80/81,576.24 = 14,952.88/x
  3. Step 3: Cross multiply
    54,392.80x = 81,576.24 × 14,952.88
  4. Step 4: Simplify right side
    54,392.80x = 1,219,799,727.57
  5. Step 5: Solve for x
    x = 1,219,799,727.57/54,392.80
  6. Step 6: Final answer
    x = 22,425.76

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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.