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Finding the Fourth Proportional to 36,626.61, 54,949.12 and 16,919.10

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Solution

The fourth proportional to 36,626.61, 54,949.12 and 16,919.10 is: 25,382.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,626.61 : 54,949.12 = 16,919.10 : x
  2. Step 2: Convert to fraction form
    36,626.61/54,949.12 = 16,919.10/x
  3. Step 3: Cross multiply
    36,626.61x = 54,949.12 × 16,919.10
  4. Step 4: Simplify right side
    36,626.61x = 929,689,839.82
  5. Step 5: Solve for x
    x = 929,689,839.82/36,626.61
  6. Step 6: Final answer
    x = 25,382.91

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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.