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Finding the Fourth Proportional to 54,304.52, 81,500.79 and 28,016.78

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Solution

The fourth proportional to 54,304.52, 81,500.79 and 28,016.78 is: 42,047.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,304.52 : 81,500.79 = 28,016.78 : x
  2. Step 2: Convert to fraction form
    54,304.52/81,500.79 = 28,016.78/x
  3. Step 3: Cross multiply
    54,304.52x = 81,500.79 × 28,016.78
  4. Step 4: Simplify right side
    54,304.52x = 2,283,389,703.26
  5. Step 5: Solve for x
    x = 2,283,389,703.26/54,304.52
  6. Step 6: Final answer
    x = 42,047.88

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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.