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Finding the Fourth Proportional to 8,326.59, 11,479.50 and 8,068.61

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Solution

The fourth proportional to 8,326.59, 11,479.50 and 8,068.61 is: 11,123.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.59 : 11,479.50 = 8,068.61 : x
  2. Step 2: Convert to fraction form
    8,326.59/11,479.50 = 8,068.61/x
  3. Step 3: Cross multiply
    8,326.59x = 11,479.50 × 8,068.61
  4. Step 4: Simplify right side
    8,326.59x = 92,623,551.10
  5. Step 5: Solve for x
    x = 92,623,551.10/8,326.59
  6. Step 6: Final answer
    x = 11,123.83

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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.