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Finding the Fourth Proportional to 27,141.20, 40,711.80 and 22,475.60

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Solution

The fourth proportional to 27,141.20, 40,711.80 and 22,475.60 is: 33,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,141.20 : 40,711.80 = 22,475.60 : x
  2. Step 2: Convert to fraction form
    27,141.20/40,711.80 = 22,475.60/x
  3. Step 3: Cross multiply
    27,141.20x = 40,711.80 × 22,475.60
  4. Step 4: Simplify right side
    27,141.20x = 915,022,132.08
  5. Step 5: Solve for x
    x = 915,022,132.08/27,141.20
  6. Step 6: Final answer
    x = 33,713.40

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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.