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Finding the Fourth Proportional to 77,073.27, 115,620.90 and 23,769.73

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Solution

The fourth proportional to 77,073.27, 115,620.90 and 23,769.73 is: 35,657.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,073.27 : 115,620.90 = 23,769.73 : x
  2. Step 2: Convert to fraction form
    77,073.27/115,620.90 = 23,769.73/x
  3. Step 3: Cross multiply
    77,073.27x = 115,620.90 × 23,769.73
  4. Step 4: Simplify right side
    77,073.27x = 2,748,277,575.36
  5. Step 5: Solve for x
    x = 2,748,277,575.36/77,073.27
  6. Step 6: Final answer
    x = 35,657.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.