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Finding the Fourth Proportional to 8,314.29, 11,475.59 and 5,662.75

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Solution

The fourth proportional to 8,314.29, 11,475.59 and 5,662.75 is: 7,815.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,314.29 : 11,475.59 = 5,662.75 : x
  2. Step 2: Convert to fraction form
    8,314.29/11,475.59 = 5,662.75/x
  3. Step 3: Cross multiply
    8,314.29x = 11,475.59 × 5,662.75
  4. Step 4: Simplify right side
    8,314.29x = 64,983,397.27
  5. Step 5: Solve for x
    x = 64,983,397.27/8,314.29
  6. Step 6: Final answer
    x = 7,815.87

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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.