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Finding the Fourth Proportional to 52,512.78, 72,469.56 and 29,855.58

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Solution

The fourth proportional to 52,512.78, 72,469.56 and 29,855.58 is: 41,201.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,512.78 : 72,469.56 = 29,855.58 : x
  2. Step 2: Convert to fraction form
    52,512.78/72,469.56 = 29,855.58/x
  3. Step 3: Cross multiply
    52,512.78x = 72,469.56 × 29,855.58
  4. Step 4: Simplify right side
    52,512.78x = 2,163,620,746.14
  5. Step 5: Solve for x
    x = 2,163,620,746.14/52,512.78
  6. Step 6: Final answer
    x = 41,201.79

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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.