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Finding the Fourth Proportional to 8,443.89, 12,652.00 and 5,966.61

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Solution

The fourth proportional to 8,443.89, 12,652.00 and 5,966.61 is: 8,940.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443.89 : 12,652.00 = 5,966.61 : x
  2. Step 2: Convert to fraction form
    8,443.89/12,652.00 = 5,966.61/x
  3. Step 3: Cross multiply
    8,443.89x = 12,652.00 × 5,966.61
  4. Step 4: Simplify right side
    8,443.89x = 75,489,487.36
  5. Step 5: Solve for x
    x = 75,489,487.36/8,443.89
  6. Step 6: Final answer
    x = 8,940.13

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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.