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Finding the Fourth Proportional to 73,781.91, 101,808.77 and 41,947.29

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Solution

The fourth proportional to 73,781.91, 101,808.77 and 41,947.29 is: 57,881.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,781.91 : 101,808.77 = 41,947.29 : x
  2. Step 2: Convert to fraction form
    73,781.91/101,808.77 = 41,947.29/x
  3. Step 3: Cross multiply
    73,781.91x = 101,808.77 × 41,947.29
  4. Step 4: Simplify right side
    73,781.91x = 4,270,601,790.00
  5. Step 5: Solve for x
    x = 4,270,601,790.00/73,781.91
  6. Step 6: Final answer
    x = 57,881.42

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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.