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Finding the Fourth Proportional to 8,983.18, 12,386.82 and 7,363.18

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Solution

The fourth proportional to 8,983.18, 12,386.82 and 7,363.18 is: 10,153.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.18 : 12,386.82 = 7,363.18 : x
  2. Step 2: Convert to fraction form
    8,983.18/12,386.82 = 7,363.18/x
  3. Step 3: Cross multiply
    8,983.18x = 12,386.82 × 7,363.18
  4. Step 4: Simplify right side
    8,983.18x = 91,206,385.29
  5. Step 5: Solve for x
    x = 91,206,385.29/8,983.18
  6. Step 6: Final answer
    x = 10,153.02

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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.