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Finding the Fourth Proportional to 8,800.99, 12,132.79 and 6,278.78

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Solution

The fourth proportional to 8,800.99, 12,132.79 and 6,278.78 is: 8,655.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.99 : 12,132.79 = 6,278.78 : x
  2. Step 2: Convert to fraction form
    8,800.99/12,132.79 = 6,278.78/x
  3. Step 3: Cross multiply
    8,800.99x = 12,132.79 × 6,278.78
  4. Step 4: Simplify right side
    8,800.99x = 76,179,133.83
  5. Step 5: Solve for x
    x = 76,179,133.83/8,800.99
  6. Step 6: Final answer
    x = 8,655.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.