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Finding the Fourth Proportional to 17,891.66, 24,649.87 and 13,844.57

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Solution

The fourth proportional to 17,891.66, 24,649.87 and 13,844.57 is: 19,074.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,891.66 : 24,649.87 = 13,844.57 : x
  2. Step 2: Convert to fraction form
    17,891.66/24,649.87 = 13,844.57/x
  3. Step 3: Cross multiply
    17,891.66x = 24,649.87 × 13,844.57
  4. Step 4: Simplify right side
    17,891.66x = 341,266,692.85
  5. Step 5: Solve for x
    x = 341,266,692.85/17,891.66
  6. Step 6: Final answer
    x = 19,074.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.