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Finding the Fourth Proportional to 61,924.70, 85,456.06 and 35,067.20

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Solution

The fourth proportional to 61,924.70, 85,456.06 and 35,067.20 is: 48,392.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,924.70 : 85,456.06 = 35,067.20 : x
  2. Step 2: Convert to fraction form
    61,924.70/85,456.06 = 35,067.20/x
  3. Step 3: Cross multiply
    61,924.70x = 85,456.06 × 35,067.20
  4. Step 4: Simplify right side
    61,924.70x = 2,996,704,232.28
  5. Step 5: Solve for x
    x = 2,996,704,232.28/61,924.70
  6. Step 6: Final answer
    x = 48,392.71

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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.