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Finding the Fourth Proportional to 7,323.92, 10,990.20 and 2,710.16

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Solution

The fourth proportional to 7,323.92, 10,990.20 and 2,710.16 is: 4,066.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.92 : 10,990.20 = 2,710.16 : x
  2. Step 2: Convert to fraction form
    7,323.92/10,990.20 = 2,710.16/x
  3. Step 3: Cross multiply
    7,323.92x = 10,990.20 × 2,710.16
  4. Step 4: Simplify right side
    7,323.92x = 29,785,200.43
  5. Step 5: Solve for x
    x = 29,785,200.43/7,323.92
  6. Step 6: Final answer
    x = 4,066.84

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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.