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Finding the Fourth Proportional to 8,398.56, 12,594.66 and 2,473.82

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Solution

The fourth proportional to 8,398.56, 12,594.66 and 2,473.82 is: 3,709.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.56 : 12,594.66 = 2,473.82 : x
  2. Step 2: Convert to fraction form
    8,398.56/12,594.66 = 2,473.82/x
  3. Step 3: Cross multiply
    8,398.56x = 12,594.66 × 2,473.82
  4. Step 4: Simplify right side
    8,398.56x = 31,156,921.80
  5. Step 5: Solve for x
    x = 31,156,921.80/8,398.56
  6. Step 6: Final answer
    x = 3,709.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.