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Finding the Fourth Proportional to 9,162.68, 12,637.66 and 6,330.92

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Solution

The fourth proportional to 9,162.68, 12,637.66 and 6,330.92 is: 8,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.68 : 12,637.66 = 6,330.92 : x
  2. Step 2: Convert to fraction form
    9,162.68/12,637.66 = 6,330.92/x
  3. Step 3: Cross multiply
    9,162.68x = 12,637.66 × 6,330.92
  4. Step 4: Simplify right side
    9,162.68x = 80,008,014.45
  5. Step 5: Solve for x
    x = 80,008,014.45/9,162.68
  6. Step 6: Final answer
    x = 8,731.94

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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.