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Finding the Fourth Proportional to 50,544.90, 69,765.84 and 29,331

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Solution

The fourth proportional to 50,544.90, 69,765.84 and 29,331 is: 40,484.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,544.90 : 69,765.84 = 29,331 : x
  2. Step 2: Convert to fraction form
    50,544.90/69,765.84 = 29,331/x
  3. Step 3: Cross multiply
    50,544.90x = 69,765.84 × 29,331
  4. Step 4: Simplify right side
    50,544.90x = 2,046,301,853.04
  5. Step 5: Solve for x
    x = 2,046,301,853.04/50,544.90
  6. Step 6: Final answer
    x = 40,484.83

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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.