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Finding the Fourth Proportional to 49,499.60, 74,249.40 and 29,541.20

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Solution

The fourth proportional to 49,499.60, 74,249.40 and 29,541.20 is: 44,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,499.60 : 74,249.40 = 29,541.20 : x
  2. Step 2: Convert to fraction form
    49,499.60/74,249.40 = 29,541.20/x
  3. Step 3: Cross multiply
    49,499.60x = 74,249.40 × 29,541.20
  4. Step 4: Simplify right side
    49,499.60x = 2,193,416,375.28
  5. Step 5: Solve for x
    x = 2,193,416,375.28/49,499.60
  6. Step 6: Final answer
    x = 44,311.80

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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.