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Finding the Fourth Proportional to 26,999.80, 40,499.70 and 22,625.80

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Solution

The fourth proportional to 26,999.80, 40,499.70 and 22,625.80 is: 33,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,999.80 : 40,499.70 = 22,625.80 : x
  2. Step 2: Convert to fraction form
    26,999.80/40,499.70 = 22,625.80/x
  3. Step 3: Cross multiply
    26,999.80x = 40,499.70 × 22,625.80
  4. Step 4: Simplify right side
    26,999.80x = 916,338,112.26
  5. Step 5: Solve for x
    x = 916,338,112.26/26,999.80
  6. Step 6: Final answer
    x = 33,938.70

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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.