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Finding the Fourth Proportional to 6,322.38, 8,724.88 and 3,527.88

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Solution

The fourth proportional to 6,322.38, 8,724.88 and 3,527.88 is: 4,868.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,322.38 : 8,724.88 = 3,527.88 : x
  2. Step 2: Convert to fraction form
    6,322.38/8,724.88 = 3,527.88/x
  3. Step 3: Cross multiply
    6,322.38x = 8,724.88 × 3,527.88
  4. Step 4: Simplify right side
    6,322.38x = 30,780,329.65
  5. Step 5: Solve for x
    x = 30,780,329.65/6,322.38
  6. Step 6: Final answer
    x = 4,868.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.