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Finding the Fourth Proportional to 7,179.71, 10,769.54 and 2,253.47

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Solution

The fourth proportional to 7,179.71, 10,769.54 and 2,253.47 is: 3,380.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.71 : 10,769.54 = 2,253.47 : x
  2. Step 2: Convert to fraction form
    7,179.71/10,769.54 = 2,253.47/x
  3. Step 3: Cross multiply
    7,179.71x = 10,769.54 × 2,253.47
  4. Step 4: Simplify right side
    7,179.71x = 24,268,770.19
  5. Step 5: Solve for x
    x = 24,268,770.19/7,179.71
  6. Step 6: Final answer
    x = 3,380.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.