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Finding the Fourth Proportional to 35,122.70, 48,473.97 and 20,020.82

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Solution

The fourth proportional to 35,122.70, 48,473.97 and 20,020.82 is: 27,631.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,122.70 : 48,473.97 = 20,020.82 : x
  2. Step 2: Convert to fraction form
    35,122.70/48,473.97 = 20,020.82/x
  3. Step 3: Cross multiply
    35,122.70x = 48,473.97 × 20,020.82
  4. Step 4: Simplify right side
    35,122.70x = 970,488,628.06
  5. Step 5: Solve for x
    x = 970,488,628.06/35,122.70
  6. Step 6: Final answer
    x = 27,631.38

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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.