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Finding the Fourth Proportional to 17,651.62, 26,437.11 and 8,424.10

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Solution

The fourth proportional to 17,651.62, 26,437.11 and 8,424.10 is: 12,616.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,651.62 : 26,437.11 = 8,424.10 : x
  2. Step 2: Convert to fraction form
    17,651.62/26,437.11 = 8,424.10/x
  3. Step 3: Cross multiply
    17,651.62x = 26,437.11 × 8,424.10
  4. Step 4: Simplify right side
    17,651.62x = 222,708,858.35
  5. Step 5: Solve for x
    x = 222,708,858.35/17,651.62
  6. Step 6: Final answer
    x = 12,616.91

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1.5x scale

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.