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Finding the Fourth Proportional to 26,922.11, 40,380.08 and 7,202.21

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Solution

The fourth proportional to 26,922.11, 40,380.08 and 7,202.21 is: 10,802.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,922.11 : 40,380.08 = 7,202.21 : x
  2. Step 2: Convert to fraction form
    26,922.11/40,380.08 = 7,202.21/x
  3. Step 3: Cross multiply
    26,922.11x = 40,380.08 × 7,202.21
  4. Step 4: Simplify right side
    26,922.11x = 290,825,779.97
  5. Step 5: Solve for x
    x = 290,825,779.97/26,922.11
  6. Step 6: Final answer
    x = 10,802.49

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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.