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Finding the Fourth Proportional to 40,284.20, 60,491.10 and 29,268.20

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Solution

The fourth proportional to 40,284.20, 60,491.10 and 29,268.20 is: 43,949.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,284.20 : 60,491.10 = 29,268.20 : x
  2. Step 2: Convert to fraction form
    40,284.20/60,491.10 = 29,268.20/x
  3. Step 3: Cross multiply
    40,284.20x = 60,491.10 × 29,268.20
  4. Step 4: Simplify right side
    40,284.20x = 1,770,465,613.02
  5. Step 5: Solve for x
    x = 1,770,465,613.02/40,284.20
  6. Step 6: Final answer
    x = 43,949.38

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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.