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Finding the Fourth Proportional to 49,609.60, 74,414.40 and 33,863.20

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Solution

The fourth proportional to 49,609.60, 74,414.40 and 33,863.20 is: 50,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,609.60 : 74,414.40 = 33,863.20 : x
  2. Step 2: Convert to fraction form
    49,609.60/74,414.40 = 33,863.20/x
  3. Step 3: Cross multiply
    49,609.60x = 74,414.40 × 33,863.20
  4. Step 4: Simplify right side
    49,609.60x = 2,519,909,710.08
  5. Step 5: Solve for x
    x = 2,519,909,710.08/49,609.60
  6. Step 6: Final answer
    x = 50,794.80

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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.