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Finding the Fourth Proportional to 3,509.34, 5,265.63 and 1,562.82

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Solution

The fourth proportional to 3,509.34, 5,265.63 and 1,562.82 is: 2,344.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.34 : 5,265.63 = 1,562.82 : x
  2. Step 2: Convert to fraction form
    3,509.34/5,265.63 = 1,562.82/x
  3. Step 3: Cross multiply
    3,509.34x = 5,265.63 × 1,562.82
  4. Step 4: Simplify right side
    3,509.34x = 8,229,231.88
  5. Step 5: Solve for x
    x = 8,229,231.88/3,509.34
  6. Step 6: Final answer
    x = 2,344.95

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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.