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Finding the Fourth Proportional to 6,249.80, 8,624.72 and 3,417.18

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Solution

The fourth proportional to 6,249.80, 8,624.72 and 3,417.18 is: 4,715.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,249.80 : 8,624.72 = 3,417.18 : x
  2. Step 2: Convert to fraction form
    6,249.80/8,624.72 = 3,417.18/x
  3. Step 3: Cross multiply
    6,249.80x = 8,624.72 × 3,417.18
  4. Step 4: Simplify right side
    6,249.80x = 29,472,250.44
  5. Step 5: Solve for x
    x = 29,472,250.44/6,249.80
  6. Step 6: Final answer
    x = 4,715.71

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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.