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Finding the Fourth Proportional to 6,491.34, 9,735.50 and 2,542.68

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Solution

The fourth proportional to 6,491.34, 9,735.50 and 2,542.68 is: 3,813.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491.34 : 9,735.50 = 2,542.68 : x
  2. Step 2: Convert to fraction form
    6,491.34/9,735.50 = 2,542.68/x
  3. Step 3: Cross multiply
    6,491.34x = 9,735.50 × 2,542.68
  4. Step 4: Simplify right side
    6,491.34x = 24,754,267.50
  5. Step 5: Solve for x
    x = 24,754,267.50/6,491.34
  6. Step 6: Final answer
    x = 3,813.43

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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.