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Finding the Fourth Proportional to 7,160.88, 10,740.84 and 2,480.76

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Solution

The fourth proportional to 7,160.88, 10,740.84 and 2,480.76 is: 3,720.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.88 : 10,740.84 = 2,480.76 : x
  2. Step 2: Convert to fraction form
    7,160.88/10,740.84 = 2,480.76/x
  3. Step 3: Cross multiply
    7,160.88x = 10,740.84 × 2,480.76
  4. Step 4: Simplify right side
    7,160.88x = 26,645,446.24
  5. Step 5: Solve for x
    x = 26,645,446.24/7,160.88
  6. Step 6: Final answer
    x = 3,720.97

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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.