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Finding the Fourth Proportional to 6,268.72, 8,648.05 and 4,030.18

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Solution

The fourth proportional to 6,268.72, 8,648.05 and 4,030.18 is: 5,559.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,268.72 : 8,648.05 = 4,030.18 : x
  2. Step 2: Convert to fraction form
    6,268.72/8,648.05 = 4,030.18/x
  3. Step 3: Cross multiply
    6,268.72x = 8,648.05 × 4,030.18
  4. Step 4: Simplify right side
    6,268.72x = 34,853,198.15
  5. Step 5: Solve for x
    x = 34,853,198.15/6,268.72
  6. Step 6: Final answer
    x = 5,559.86

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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.