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Finding the Fourth Proportional to 8,922.26, 12,312.81 and 4,943.43

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Solution

The fourth proportional to 8,922.26, 12,312.81 and 4,943.43 is: 6,821.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.26 : 12,312.81 = 4,943.43 : x
  2. Step 2: Convert to fraction form
    8,922.26/12,312.81 = 4,943.43/x
  3. Step 3: Cross multiply
    8,922.26x = 12,312.81 × 4,943.43
  4. Step 4: Simplify right side
    8,922.26x = 60,867,514.34
  5. Step 5: Solve for x
    x = 60,867,514.34/8,922.26
  6. Step 6: Final answer
    x = 6,821.98

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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.