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Finding the Fourth Proportional to 45,375.28, 62,614.24 and 25,230.60

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Solution

The fourth proportional to 45,375.28, 62,614.24 and 25,230.60 is: 34,816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,375.28 : 62,614.24 = 25,230.60 : x
  2. Step 2: Convert to fraction form
    45,375.28/62,614.24 = 25,230.60/x
  3. Step 3: Cross multiply
    45,375.28x = 62,614.24 × 25,230.60
  4. Step 4: Simplify right side
    45,375.28x = 1,579,794,843.74
  5. Step 5: Solve for x
    x = 1,579,794,843.74/45,375.28
  6. Step 6: Final answer
    x = 34,816.20

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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.