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Finding the Fourth Proportional to 1,344.64, 1,854.84 and 1,096.24

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Solution

The fourth proportional to 1,344.64, 1,854.84 and 1,096.24 is: 1,512.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.64 : 1,854.84 = 1,096.24 : x
  2. Step 2: Convert to fraction form
    1,344.64/1,854.84 = 1,096.24/x
  3. Step 3: Cross multiply
    1,344.64x = 1,854.84 × 1,096.24
  4. Step 4: Simplify right side
    1,344.64x = 2,033,349.80
  5. Step 5: Solve for x
    x = 2,033,349.80/1,344.64
  6. Step 6: Final answer
    x = 1,512.19

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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.