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Finding the Fourth Proportional to 87,594.75, 120,880.76 and 47,850.75

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Solution

The fourth proportional to 87,594.75, 120,880.76 and 47,850.75 is: 66,034.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,594.75 : 120,880.76 = 47,850.75 : x
  2. Step 2: Convert to fraction form
    87,594.75/120,880.76 = 47,850.75/x
  3. Step 3: Cross multiply
    87,594.75x = 120,880.76 × 47,850.75
  4. Step 4: Simplify right side
    87,594.75x = 5,784,234,787.32
  5. Step 5: Solve for x
    x = 5,784,234,787.32/87,594.75
  6. Step 6: Final answer
    x = 66,034.04

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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.