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Finding the Fourth Proportional to 54,480.61, 75,189.32 and 32,982.20

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Solution

The fourth proportional to 54,480.61, 75,189.32 and 32,982.20 is: 45,519.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,480.61 : 75,189.32 = 32,982.20 : x
  2. Step 2: Convert to fraction form
    54,480.61/75,189.32 = 32,982.20/x
  3. Step 3: Cross multiply
    54,480.61x = 75,189.32 × 32,982.20
  4. Step 4: Simplify right side
    54,480.61x = 2,479,909,084.59
  5. Step 5: Solve for x
    x = 2,479,909,084.59/54,480.61
  6. Step 6: Final answer
    x = 45,519.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.