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Finding the Fourth Proportional to 5,217.95, 7,815.96 and 3,752.66

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Solution

The fourth proportional to 5,217.95, 7,815.96 and 3,752.66 is: 5,621.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.95 : 7,815.96 = 3,752.66 : x
  2. Step 2: Convert to fraction form
    5,217.95/7,815.96 = 3,752.66/x
  3. Step 3: Cross multiply
    5,217.95x = 7,815.96 × 3,752.66
  4. Step 4: Simplify right side
    5,217.95x = 29,330,659.99
  5. Step 5: Solve for x
    x = 29,330,659.99/5,217.95
  6. Step 6: Final answer
    x = 5,621.11

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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.