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Finding the Fourth Proportional to 33,999.40, 50,999.10 and 26,126.20

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Solution

The fourth proportional to 33,999.40, 50,999.10 and 26,126.20 is: 39,189.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,999.40 : 50,999.10 = 26,126.20 : x
  2. Step 2: Convert to fraction form
    33,999.40/50,999.10 = 26,126.20/x
  3. Step 3: Cross multiply
    33,999.40x = 50,999.10 × 26,126.20
  4. Step 4: Simplify right side
    33,999.40x = 1,332,412,686.42
  5. Step 5: Solve for x
    x = 1,332,412,686.42/33,999.40
  6. Step 6: Final answer
    x = 39,189.30

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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.