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Finding the Fourth Proportional to 5,495.43, 8,243.16 and 1,335.42

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Solution

The fourth proportional to 5,495.43, 8,243.16 and 1,335.42 is: 2,003.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,495.43 : 8,243.16 = 1,335.42 : x
  2. Step 2: Convert to fraction form
    5,495.43/8,243.16 = 1,335.42/x
  3. Step 3: Cross multiply
    5,495.43x = 8,243.16 × 1,335.42
  4. Step 4: Simplify right side
    5,495.43x = 11,008,080.73
  5. Step 5: Solve for x
    x = 11,008,080.73/5,495.43
  6. Step 6: Final answer
    x = 2,003.13

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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.