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Finding the Fourth Proportional to 79,772.73, 119,665.44 and 26,462.79

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Solution

The fourth proportional to 79,772.73, 119,665.44 and 26,462.79 is: 39,696.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,772.73 : 119,665.44 = 26,462.79 : x
  2. Step 2: Convert to fraction form
    79,772.73/119,665.44 = 26,462.79/x
  3. Step 3: Cross multiply
    79,772.73x = 119,665.44 × 26,462.79
  4. Step 4: Simplify right side
    79,772.73x = 3,166,681,408.98
  5. Step 5: Solve for x
    x = 3,166,681,408.98/79,772.73
  6. Step 6: Final answer
    x = 39,696.29

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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.