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Finding the Fourth Proportional to 27,039.65, 40,564.15 and 12,052.08

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Solution

The fourth proportional to 27,039.65, 40,564.15 and 12,052.08 is: 18,080.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,039.65 : 40,564.15 = 12,052.08 : x
  2. Step 2: Convert to fraction form
    27,039.65/40,564.15 = 12,052.08/x
  3. Step 3: Cross multiply
    27,039.65x = 40,564.15 × 12,052.08
  4. Step 4: Simplify right side
    27,039.65x = 488,882,350.80
  5. Step 5: Solve for x
    x = 488,882,350.80/27,039.65
  6. Step 6: Final answer
    x = 18,080.21

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Why These Related Problems?

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