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Finding the Fourth Proportional to 60,449.60, 90,674.40 and 41,787.20

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Solution

The fourth proportional to 60,449.60, 90,674.40 and 41,787.20 is: 62,680.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,449.60 : 90,674.40 = 41,787.20 : x
  2. Step 2: Convert to fraction form
    60,449.60/90,674.40 = 41,787.20/x
  3. Step 3: Cross multiply
    60,449.60x = 90,674.40 × 41,787.20
  4. Step 4: Simplify right side
    60,449.60x = 3,789,029,287.68
  5. Step 5: Solve for x
    x = 3,789,029,287.68/60,449.60
  6. Step 6: Final answer
    x = 62,680.80

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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.