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Finding the Fourth Proportional to 6,422.25, 8,863.43 and 3,627.93

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Solution

The fourth proportional to 6,422.25, 8,863.43 and 3,627.93 is: 5,006.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.25 : 8,863.43 = 3,627.93 : x
  2. Step 2: Convert to fraction form
    6,422.25/8,863.43 = 3,627.93/x
  3. Step 3: Cross multiply
    6,422.25x = 8,863.43 × 3,627.93
  4. Step 4: Simplify right side
    6,422.25x = 32,155,885.46
  5. Step 5: Solve for x
    x = 32,155,885.46/6,422.25
  6. Step 6: Final answer
    x = 5,006.95

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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.