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Finding the Fourth Proportional to 6,667.92, 9,990.91 and 2,282.98

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Solution

The fourth proportional to 6,667.92, 9,990.91 and 2,282.98 is: 3,420.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,667.92 : 9,990.91 = 2,282.98 : x
  2. Step 2: Convert to fraction form
    6,667.92/9,990.91 = 2,282.98/x
  3. Step 3: Cross multiply
    6,667.92x = 9,990.91 × 2,282.98
  4. Step 4: Simplify right side
    6,667.92x = 22,809,047.71
  5. Step 5: Solve for x
    x = 22,809,047.71/6,667.92
  6. Step 6: Final answer
    x = 3,420.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.