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Finding the Fourth Proportional to 8,872.73, 12,243.80 and 4,893.87

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Solution

The fourth proportional to 8,872.73, 12,243.80 and 4,893.87 is: 6,753.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.73 : 12,243.80 = 4,893.87 : x
  2. Step 2: Convert to fraction form
    8,872.73/12,243.80 = 4,893.87/x
  3. Step 3: Cross multiply
    8,872.73x = 12,243.80 × 4,893.87
  4. Step 4: Simplify right side
    8,872.73x = 59,919,565.51
  5. Step 5: Solve for x
    x = 59,919,565.51/8,872.73
  6. Step 6: Final answer
    x = 6,753.23

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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.