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Finding the Fourth Proportional to 8,926.26, 12,318.34 and 4,947.44

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Solution

The fourth proportional to 8,926.26, 12,318.34 and 4,947.44 is: 6,827.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.26 : 12,318.34 = 4,947.44 : x
  2. Step 2: Convert to fraction form
    8,926.26/12,318.34 = 4,947.44/x
  3. Step 3: Cross multiply
    8,926.26x = 12,318.34 × 4,947.44
  4. Step 4: Simplify right side
    8,926.26x = 60,944,248.05
  5. Step 5: Solve for x
    x = 60,944,248.05/8,926.26
  6. Step 6: Final answer
    x = 6,827.52

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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.