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Finding the Fourth Proportional to 5,599.06, 8,399.12 and 2,478.66

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Solution

The fourth proportional to 5,599.06, 8,399.12 and 2,478.66 is: 3,718.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.06 : 8,399.12 = 2,478.66 : x
  2. Step 2: Convert to fraction form
    5,599.06/8,399.12 = 2,478.66/x
  3. Step 3: Cross multiply
    5,599.06x = 8,399.12 × 2,478.66
  4. Step 4: Simplify right side
    5,599.06x = 20,818,562.78
  5. Step 5: Solve for x
    x = 20,818,562.78/5,599.06
  6. Step 6: Final answer
    x = 3,718.22

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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.