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Finding the Fourth Proportional to 17,843.55, 24,600.75 and 15,352.43

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Solution

The fourth proportional to 17,843.55, 24,600.75 and 15,352.43 is: 21,166.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,843.55 : 24,600.75 = 15,352.43 : x
  2. Step 2: Convert to fraction form
    17,843.55/24,600.75 = 15,352.43/x
  3. Step 3: Cross multiply
    17,843.55x = 24,600.75 × 15,352.43
  4. Step 4: Simplify right side
    17,843.55x = 377,681,169.32
  5. Step 5: Solve for x
    x = 377,681,169.32/17,843.55
  6. Step 6: Final answer
    x = 21,166.26

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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.