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Finding the Fourth Proportional to 50,671.28, 69,930.67 and 29,449.17

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Solution

The fourth proportional to 50,671.28, 69,930.67 and 29,449.17 is: 40,642.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,671.28 : 69,930.67 = 29,449.17 : x
  2. Step 2: Convert to fraction form
    50,671.28/69,930.67 = 29,449.17/x
  3. Step 3: Cross multiply
    50,671.28x = 69,930.67 × 29,449.17
  4. Step 4: Simplify right side
    50,671.28x = 2,059,400,189.04
  5. Step 5: Solve for x
    x = 2,059,400,189.04/50,671.28
  6. Step 6: Final answer
    x = 40,642.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.