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Finding the Fourth Proportional to 6,340.59, 8,752.34 and 3,822.79

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Solution

The fourth proportional to 6,340.59, 8,752.34 and 3,822.79 is: 5,276.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340.59 : 8,752.34 = 3,822.79 : x
  2. Step 2: Convert to fraction form
    6,340.59/8,752.34 = 3,822.79/x
  3. Step 3: Cross multiply
    6,340.59x = 8,752.34 × 3,822.79
  4. Step 4: Simplify right side
    6,340.59x = 33,458,357.83
  5. Step 5: Solve for x
    x = 33,458,357.83/6,340.59
  6. Step 6: Final answer
    x = 5,276.85

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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.