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Finding the Fourth Proportional to 79,601.82, 119,366.28 and 26,989.89

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Solution

The fourth proportional to 79,601.82, 119,366.28 and 26,989.89 is: 40,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,601.82 : 119,366.28 = 26,989.89 : x
  2. Step 2: Convert to fraction form
    79,601.82/119,366.28 = 26,989.89/x
  3. Step 3: Cross multiply
    79,601.82x = 119,366.28 × 26,989.89
  4. Step 4: Simplify right side
    79,601.82x = 3,221,682,766.91
  5. Step 5: Solve for x
    x = 3,221,682,766.91/79,601.82
  6. Step 6: Final answer
    x = 40,472.48

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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.