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Finding the Fourth Proportional to 10,728.65, 16,097.60 and 5,801.76

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Solution

The fourth proportional to 10,728.65, 16,097.60 and 5,801.76 is: 8,705.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728.65 : 16,097.60 = 5,801.76 : x
  2. Step 2: Convert to fraction form
    10,728.65/16,097.60 = 5,801.76/x
  3. Step 3: Cross multiply
    10,728.65x = 16,097.60 × 5,801.76
  4. Step 4: Simplify right side
    10,728.65x = 93,394,426.28
  5. Step 5: Solve for x
    x = 93,394,426.28/10,728.65
  6. Step 6: Final answer
    x = 8,705.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.