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Finding the Fourth Proportional to 8,772.68, 12,106.32 and 5,046.68

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Solution

The fourth proportional to 8,772.68, 12,106.32 and 5,046.68 is: 6,964.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.68 : 12,106.32 = 5,046.68 : x
  2. Step 2: Convert to fraction form
    8,772.68/12,106.32 = 5,046.68/x
  3. Step 3: Cross multiply
    8,772.68x = 12,106.32 × 5,046.68
  4. Step 4: Simplify right side
    8,772.68x = 61,096,723.02
  5. Step 5: Solve for x
    x = 61,096,723.02/8,772.68
  6. Step 6: Final answer
    x = 6,964.43

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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.