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Finding the Fourth Proportional to 7,332.68, 10,999.20 and 2,406.80

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Solution

The fourth proportional to 7,332.68, 10,999.20 and 2,406.80 is: 3,610.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.68 : 10,999.20 = 2,406.80 : x
  2. Step 2: Convert to fraction form
    7,332.68/10,999.20 = 2,406.80/x
  3. Step 3: Cross multiply
    7,332.68x = 10,999.20 × 2,406.80
  4. Step 4: Simplify right side
    7,332.68x = 26,472,874.56
  5. Step 5: Solve for x
    x = 26,472,874.56/7,332.68
  6. Step 6: Final answer
    x = 3,610.26

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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.