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Finding the Fourth Proportional to 17,238.98, 25,855.97 and 5,550.68

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Solution

The fourth proportional to 17,238.98, 25,855.97 and 5,550.68 is: 8,325.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,238.98 : 25,855.97 = 5,550.68 : x
  2. Step 2: Convert to fraction form
    17,238.98/25,855.97 = 5,550.68/x
  3. Step 3: Cross multiply
    17,238.98x = 25,855.97 × 5,550.68
  4. Step 4: Simplify right side
    17,238.98x = 143,518,058.53
  5. Step 5: Solve for x
    x = 143,518,058.53/17,238.98
  6. Step 6: Final answer
    x = 8,325.21

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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.