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Finding the Fourth Proportional to 16,727.67, 23,065.08 and 13,368.18

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Solution

The fourth proportional to 16,727.67, 23,065.08 and 13,368.18 is: 18,432.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,727.67 : 23,065.08 = 13,368.18 : x
  2. Step 2: Convert to fraction form
    16,727.67/23,065.08 = 13,368.18/x
  3. Step 3: Cross multiply
    16,727.67x = 23,065.08 × 13,368.18
  4. Step 4: Simplify right side
    16,727.67x = 308,338,141.15
  5. Step 5: Solve for x
    x = 308,338,141.15/16,727.67
  6. Step 6: Final answer
    x = 18,432.82

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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.