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Finding the Fourth Proportional to 5,041.78, 7,562.68 and 1,343.82

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Solution

The fourth proportional to 5,041.78, 7,562.68 and 1,343.82 is: 2,015.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,041.78 : 7,562.68 = 1,343.82 : x
  2. Step 2: Convert to fraction form
    5,041.78/7,562.68 = 1,343.82/x
  3. Step 3: Cross multiply
    5,041.78x = 7,562.68 × 1,343.82
  4. Step 4: Simplify right side
    5,041.78x = 10,162,880.64
  5. Step 5: Solve for x
    x = 10,162,880.64/5,041.78
  6. Step 6: Final answer
    x = 2,015.73

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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.