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Finding the Fourth Proportional to 50,474.61, 69,654.78 and 29,266.20

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Solution

The fourth proportional to 50,474.61, 69,654.78 and 29,266.20 is: 40,387.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,474.61 : 69,654.78 = 29,266.20 : x
  2. Step 2: Convert to fraction form
    50,474.61/69,654.78 = 29,266.20/x
  3. Step 3: Cross multiply
    50,474.61x = 69,654.78 × 29,266.20
  4. Step 4: Simplify right side
    50,474.61x = 2,038,530,722.44
  5. Step 5: Solve for x
    x = 2,038,530,722.44/50,474.61
  6. Step 6: Final answer
    x = 40,387.25

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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.