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Finding the Fourth Proportional to 40,385.70, 60,578.55 and 36,627.30

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Solution

The fourth proportional to 40,385.70, 60,578.55 and 36,627.30 is: 54,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,385.70 : 60,578.55 = 36,627.30 : x
  2. Step 2: Convert to fraction form
    40,385.70/60,578.55 = 36,627.30/x
  3. Step 3: Cross multiply
    40,385.70x = 60,578.55 × 36,627.30
  4. Step 4: Simplify right side
    40,385.70x = 2,218,828,724.42
  5. Step 5: Solve for x
    x = 2,218,828,724.42/40,385.70
  6. Step 6: Final answer
    x = 54,940.95

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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.