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Finding the Fourth Proportional to 6,008.20, 8,290.95 and 3,355.77

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Solution

The fourth proportional to 6,008.20, 8,290.95 and 3,355.77 is: 4,630.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,008.20 : 8,290.95 = 3,355.77 : x
  2. Step 2: Convert to fraction form
    6,008.20/8,290.95 = 3,355.77/x
  3. Step 3: Cross multiply
    6,008.20x = 8,290.95 × 3,355.77
  4. Step 4: Simplify right side
    6,008.20x = 27,822,521.28
  5. Step 5: Solve for x
    x = 27,822,521.28/6,008.20
  6. Step 6: Final answer
    x = 4,630.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.