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Finding the Fourth Proportional to 54,412.52, 81,631.88 and 22,805.24

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Solution

The fourth proportional to 54,412.52, 81,631.88 and 22,805.24 is: 34,213.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,412.52 : 81,631.88 = 22,805.24 : x
  2. Step 2: Convert to fraction form
    54,412.52/81,631.88 = 22,805.24/x
  3. Step 3: Cross multiply
    54,412.52x = 81,631.88 × 22,805.24
  4. Step 4: Simplify right side
    54,412.52x = 1,861,634,615.05
  5. Step 5: Solve for x
    x = 1,861,634,615.05/54,412.52
  6. Step 6: Final answer
    x = 34,213.35

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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.