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Finding the Fourth Proportional to 79,572.72, 119,355.99 and 26,982.21

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Solution

The fourth proportional to 79,572.72, 119,355.99 and 26,982.21 is: 40,472.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,572.72 : 119,355.99 = 26,982.21 : x
  2. Step 2: Convert to fraction form
    79,572.72/119,355.99 = 26,982.21/x
  3. Step 3: Cross multiply
    79,572.72x = 119,355.99 × 26,982.21
  4. Step 4: Simplify right side
    79,572.72x = 3,220,488,386.94
  5. Step 5: Solve for x
    x = 3,220,488,386.94/79,572.72
  6. Step 6: Final answer
    x = 40,472.27

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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.