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Finding the Fourth Proportional to 54,609.92, 81,914.88 and 15,167.04

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Solution

The fourth proportional to 54,609.92, 81,914.88 and 15,167.04 is: 22,750.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,609.92 : 81,914.88 = 15,167.04 : x
  2. Step 2: Convert to fraction form
    54,609.92/81,914.88 = 15,167.04/x
  3. Step 3: Cross multiply
    54,609.92x = 81,914.88 × 15,167.04
  4. Step 4: Simplify right side
    54,609.92x = 1,242,406,261.56
  5. Step 5: Solve for x
    x = 1,242,406,261.56/54,609.92
  6. Step 6: Final answer
    x = 22,750.56

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Similar ratio
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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.