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Finding the Fourth Proportional to 40,317.20, 60,468.60 and 25,499.60

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Solution

The fourth proportional to 40,317.20, 60,468.60 and 25,499.60 is: 38,244.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,317.20 : 60,468.60 = 25,499.60 : x
  2. Step 2: Convert to fraction form
    40,317.20/60,468.60 = 25,499.60/x
  3. Step 3: Cross multiply
    40,317.20x = 60,468.60 × 25,499.60
  4. Step 4: Simplify right side
    40,317.20x = 1,541,925,112.56
  5. Step 5: Solve for x
    x = 1,541,925,112.56/40,317.20
  6. Step 6: Final answer
    x = 38,244.85

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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.