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Finding the Fourth Proportional to 45,616.60, 68,367.30 and 40,432.60

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Solution

The fourth proportional to 45,616.60, 68,367.30 and 40,432.60 is: 60,597.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,616.60 : 68,367.30 = 40,432.60 : x
  2. Step 2: Convert to fraction form
    45,616.60/68,367.30 = 40,432.60/x
  3. Step 3: Cross multiply
    45,616.60x = 68,367.30 × 40,432.60
  4. Step 4: Simplify right side
    45,616.60x = 2,764,267,693.98
  5. Step 5: Solve for x
    x = 2,764,267,693.98/45,616.60
  6. Step 6: Final answer
    x = 60,597.85

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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.