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Finding the Fourth Proportional to 6,864.55, 10,302.74 and 4,517.88

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Solution

The fourth proportional to 6,864.55, 10,302.74 and 4,517.88 is: 6,780.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.55 : 10,302.74 = 4,517.88 : x
  2. Step 2: Convert to fraction form
    6,864.55/10,302.74 = 4,517.88/x
  3. Step 3: Cross multiply
    6,864.55x = 10,302.74 × 4,517.88
  4. Step 4: Simplify right side
    6,864.55x = 46,546,524.12
  5. Step 5: Solve for x
    x = 46,546,524.12/6,864.55
  6. Step 6: Final answer
    x = 6,780.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.