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Finding the Fourth Proportional to 26,105.40, 39,114.90 and 22,217.40

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Solution

The fourth proportional to 26,105.40, 39,114.90 and 22,217.40 is: 33,289.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,105.40 : 39,114.90 = 22,217.40 : x
  2. Step 2: Convert to fraction form
    26,105.40/39,114.90 = 22,217.40/x
  3. Step 3: Cross multiply
    26,105.40x = 39,114.90 × 22,217.40
  4. Step 4: Simplify right side
    26,105.40x = 869,031,379.26
  5. Step 5: Solve for x
    x = 869,031,379.26/26,105.40
  6. Step 6: Final answer
    x = 33,289.33

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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.