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Finding the Fourth Proportional to 1,344.80, 1,854.92 and 1,096.14

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Solution

The fourth proportional to 1,344.80, 1,854.92 and 1,096.14 is: 1,511.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.80 : 1,854.92 = 1,096.14 : x
  2. Step 2: Convert to fraction form
    1,344.80/1,854.92 = 1,096.14/x
  3. Step 3: Cross multiply
    1,344.80x = 1,854.92 × 1,096.14
  4. Step 4: Simplify right side
    1,344.80x = 2,033,252.01
  5. Step 5: Solve for x
    x = 2,033,252.01/1,344.80
  6. Step 6: Final answer
    x = 1,511.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.