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Finding the Fourth Proportional to 16,205.70, 22,363.88 and 8,753.70

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Solution

The fourth proportional to 16,205.70, 22,363.88 and 8,753.70 is: 12,080.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,205.70 : 22,363.88 = 8,753.70 : x
  2. Step 2: Convert to fraction form
    16,205.70/22,363.88 = 8,753.70/x
  3. Step 3: Cross multiply
    16,205.70x = 22,363.88 × 8,753.70
  4. Step 4: Simplify right side
    16,205.70x = 195,766,696.36
  5. Step 5: Solve for x
    x = 195,766,696.36/16,205.70
  6. Step 6: Final answer
    x = 12,080.11

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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.