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Finding the Fourth Proportional to 39,175.52, 54,069.52 and 22,408.48

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Solution

The fourth proportional to 39,175.52, 54,069.52 and 22,408.48 is: 30,927.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,175.52 : 54,069.52 = 22,408.48 : x
  2. Step 2: Convert to fraction form
    39,175.52/54,069.52 = 22,408.48/x
  3. Step 3: Cross multiply
    39,175.52x = 54,069.52 × 22,408.48
  4. Step 4: Simplify right side
    39,175.52x = 1,211,615,757.53
  5. Step 5: Solve for x
    x = 1,211,615,757.53/39,175.52
  6. Step 6: Final answer
    x = 30,927.88

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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.