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Finding the Fourth Proportional to 54,372.72, 81,423.72 and 34,592.88

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Solution

The fourth proportional to 54,372.72, 81,423.72 and 34,592.88 is: 51,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,372.72 : 81,423.72 = 34,592.88 : x
  2. Step 2: Convert to fraction form
    54,372.72/81,423.72 = 34,592.88/x
  3. Step 3: Cross multiply
    54,372.72x = 81,423.72 × 34,592.88
  4. Step 4: Simplify right side
    54,372.72x = 2,816,680,975.11
  5. Step 5: Solve for x
    x = 2,816,680,975.11/54,372.72
  6. Step 6: Final answer
    x = 51,803.20

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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.