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Finding the Fourth Proportional to 26,999.62, 40,499.19 and 8,531.62

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Solution

The fourth proportional to 26,999.62, 40,499.19 and 8,531.62 is: 12,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,999.62 : 40,499.19 = 8,531.62 : x
  2. Step 2: Convert to fraction form
    26,999.62/40,499.19 = 8,531.62/x
  3. Step 3: Cross multiply
    26,999.62x = 40,499.19 × 8,531.62
  4. Step 4: Simplify right side
    26,999.62x = 345,523,699.39
  5. Step 5: Solve for x
    x = 345,523,699.39/26,999.62
  6. Step 6: Final answer
    x = 12,797.35

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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.