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Finding the Fourth Proportional to 6,319.92, 8,722.08 and 3,631.53

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Solution

The fourth proportional to 6,319.92, 8,722.08 and 3,631.53 is: 5,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.92 : 8,722.08 = 3,631.53 : x
  2. Step 2: Convert to fraction form
    6,319.92/8,722.08 = 3,631.53/x
  3. Step 3: Cross multiply
    6,319.92x = 8,722.08 × 3,631.53
  4. Step 4: Simplify right side
    6,319.92x = 31,674,527.89
  5. Step 5: Solve for x
    x = 31,674,527.89/6,319.92
  6. Step 6: Final answer
    x = 5,011.85

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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.