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Finding the Fourth Proportional to 6,423.04, 8,863.68 and 3,628.48

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Solution

The fourth proportional to 6,423.04, 8,863.68 and 3,628.48 is: 5,007.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.04 : 8,863.68 = 3,628.48 : x
  2. Step 2: Convert to fraction form
    6,423.04/8,863.68 = 3,628.48/x
  3. Step 3: Cross multiply
    6,423.04x = 8,863.68 × 3,628.48
  4. Step 4: Simplify right side
    6,423.04x = 32,161,685.61
  5. Step 5: Solve for x
    x = 32,161,685.61/6,423.04
  6. Step 6: Final answer
    x = 5,007.24

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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.