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Finding the Fourth Proportional to 61,601.98, 84,974.03 and 38,900.92

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Solution

The fourth proportional to 61,601.98, 84,974.03 and 38,900.92 is: 53,660.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,601.98 : 84,974.03 = 38,900.92 : x
  2. Step 2: Convert to fraction form
    61,601.98/84,974.03 = 38,900.92/x
  3. Step 3: Cross multiply
    61,601.98x = 84,974.03 × 38,900.92
  4. Step 4: Simplify right side
    61,601.98x = 3,305,567,943.11
  5. Step 5: Solve for x
    x = 3,305,567,943.11/61,601.98
  6. Step 6: Final answer
    x = 53,660.09

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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.