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Finding the Fourth Proportional to 26,691, 40,029.30 and 10,049.88

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Solution

The fourth proportional to 26,691, 40,029.30 and 10,049.88 is: 15,072.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,691 : 40,029.30 = 10,049.88 : x
  2. Step 2: Convert to fraction form
    26,691/40,029.30 = 10,049.88/x
  3. Step 3: Cross multiply
    26,691x = 40,029.30 × 10,049.88
  4. Step 4: Simplify right side
    26,691x = 402,289,661.48
  5. Step 5: Solve for x
    x = 402,289,661.48/26,691
  6. Step 6: Final answer
    x = 15,072.11

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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.