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Finding the Fourth Proportional to 79,866.08, 119,786.42 and 26,553.63

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Solution

The fourth proportional to 79,866.08, 119,786.42 and 26,553.63 is: 39,826.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,866.08 : 119,786.42 = 26,553.63 : x
  2. Step 2: Convert to fraction form
    79,866.08/119,786.42 = 26,553.63/x
  3. Step 3: Cross multiply
    79,866.08x = 119,786.42 × 26,553.63
  4. Step 4: Simplify right side
    79,866.08x = 3,180,764,275.70
  5. Step 5: Solve for x
    x = 3,180,764,275.70/79,866.08
  6. Step 6: Final answer
    x = 39,826.22

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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.