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Finding the Fourth Proportional to 27,152.13, 40,725.19 and 7,163.65

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Solution

The fourth proportional to 27,152.13, 40,725.19 and 7,163.65 is: 10,744.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,152.13 : 40,725.19 = 7,163.65 : x
  2. Step 2: Convert to fraction form
    27,152.13/40,725.19 = 7,163.65/x
  3. Step 3: Cross multiply
    27,152.13x = 40,725.19 × 7,163.65
  4. Step 4: Simplify right side
    27,152.13x = 291,740,817.98
  5. Step 5: Solve for x
    x = 291,740,817.98/27,152.13
  6. Step 6: Final answer
    x = 10,744.68

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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.