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Finding the Fourth Proportional to 60,579.20, 90,883.20 and 25,500.80

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Solution

The fourth proportional to 60,579.20, 90,883.20 and 25,500.80 is: 38,257.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,579.20 : 90,883.20 = 25,500.80 : x
  2. Step 2: Convert to fraction form
    60,579.20/90,883.20 = 25,500.80/x
  3. Step 3: Cross multiply
    60,579.20x = 90,883.20 × 25,500.80
  4. Step 4: Simplify right side
    60,579.20x = 2,317,594,306.56
  5. Step 5: Solve for x
    x = 2,317,594,306.56/60,579.20
  6. Step 6: Final answer
    x = 38,257.26

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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.