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Finding the Fourth Proportional to 5,250.57, 7,874.78 and 2,476.05

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Solution

The fourth proportional to 5,250.57, 7,874.78 and 2,476.05 is: 3,713.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.57 : 7,874.78 = 2,476.05 : x
  2. Step 2: Convert to fraction form
    5,250.57/7,874.78 = 2,476.05/x
  3. Step 3: Cross multiply
    5,250.57x = 7,874.78 × 2,476.05
  4. Step 4: Simplify right side
    5,250.57x = 19,498,336.64
  5. Step 5: Solve for x
    x = 19,498,336.64/5,250.57
  6. Step 6: Final answer
    x = 3,713.57

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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.