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Finding the Fourth Proportional to 8,476.19, 12,722.15 and 6,106.71

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Solution

The fourth proportional to 8,476.19, 12,722.15 and 6,106.71 is: 9,165.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.19 : 12,722.15 = 6,106.71 : x
  2. Step 2: Convert to fraction form
    8,476.19/12,722.15 = 6,106.71/x
  3. Step 3: Cross multiply
    8,476.19x = 12,722.15 × 6,106.71
  4. Step 4: Simplify right side
    8,476.19x = 77,690,480.63
  5. Step 5: Solve for x
    x = 77,690,480.63/8,476.19
  6. Step 6: Final answer
    x = 9,165.73

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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.