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Finding the Fourth Proportional to 6,262.22, 8,641.85 and 3,609.61

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Solution

The fourth proportional to 6,262.22, 8,641.85 and 3,609.61 is: 4,981.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,262.22 : 8,641.85 = 3,609.61 : x
  2. Step 2: Convert to fraction form
    6,262.22/8,641.85 = 3,609.61/x
  3. Step 3: Cross multiply
    6,262.22x = 8,641.85 × 3,609.61
  4. Step 4: Simplify right side
    6,262.22x = 31,193,708.18
  5. Step 5: Solve for x
    x = 31,193,708.18/6,262.22
  6. Step 6: Final answer
    x = 4,981.25

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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.