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Finding the Fourth Proportional to 6,265.20, 9,385.65 and 3,486.90

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Solution

The fourth proportional to 6,265.20, 9,385.65 and 3,486.90 is: 5,223.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,265.20 : 9,385.65 = 3,486.90 : x
  2. Step 2: Convert to fraction form
    6,265.20/9,385.65 = 3,486.90/x
  3. Step 3: Cross multiply
    6,265.20x = 9,385.65 × 3,486.90
  4. Step 4: Simplify right side
    6,265.20x = 32,726,822.99
  5. Step 5: Solve for x
    x = 32,726,822.99/6,265.20
  6. Step 6: Final answer
    x = 5,223.59

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.