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Finding the Fourth Proportional to 50,642.28, 69,883.56 and 32,746.68

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Solution

The fourth proportional to 50,642.28, 69,883.56 and 32,746.68 is: 45,188.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,642.28 : 69,883.56 = 32,746.68 : x
  2. Step 2: Convert to fraction form
    50,642.28/69,883.56 = 32,746.68/x
  3. Step 3: Cross multiply
    50,642.28x = 69,883.56 × 32,746.68
  4. Step 4: Simplify right side
    50,642.28x = 2,288,454,576.58
  5. Step 5: Solve for x
    x = 2,288,454,576.58/50,642.28
  6. Step 6: Final answer
    x = 45,188.62

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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.