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Finding the Fourth Proportional to 3,709.34, 5,562.16 and 1,517.48

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Solution

The fourth proportional to 3,709.34, 5,562.16 and 1,517.48 is: 2,275.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.34 : 5,562.16 = 1,517.48 : x
  2. Step 2: Convert to fraction form
    3,709.34/5,562.16 = 1,517.48/x
  3. Step 3: Cross multiply
    3,709.34x = 5,562.16 × 1,517.48
  4. Step 4: Simplify right side
    3,709.34x = 8,440,466.56
  5. Step 5: Solve for x
    x = 8,440,466.56/3,709.34
  6. Step 6: Final answer
    x = 2,275.46

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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.