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Finding the Fourth Proportional to 16,165.65, 22,307.02 and 9,091.92

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Solution

The fourth proportional to 16,165.65, 22,307.02 and 9,091.92 is: 12,545.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,165.65 : 22,307.02 = 9,091.92 : x
  2. Step 2: Convert to fraction form
    16,165.65/22,307.02 = 9,091.92/x
  3. Step 3: Cross multiply
    16,165.65x = 22,307.02 × 9,091.92
  4. Step 4: Simplify right side
    16,165.65x = 202,813,641.28
  5. Step 5: Solve for x
    x = 202,813,641.28/16,165.65
  6. Step 6: Final answer
    x = 12,545.96

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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.