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Finding the Fourth Proportional to 52,464.50, 72,392.80 and 29,489.76

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Solution

The fourth proportional to 52,464.50, 72,392.80 and 29,489.76 is: 40,691.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,464.50 : 72,392.80 = 29,489.76 : x
  2. Step 2: Convert to fraction form
    52,464.50/72,392.80 = 29,489.76/x
  3. Step 3: Cross multiply
    52,464.50x = 72,392.80 × 29,489.76
  4. Step 4: Simplify right side
    52,464.50x = 2,134,846,297.73
  5. Step 5: Solve for x
    x = 2,134,846,297.73/52,464.50
  6. Step 6: Final answer
    x = 40,691.25

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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.