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Finding the Fourth Proportional to 73,268.56, 109,902.96 and 26,510.56

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Solution

The fourth proportional to 73,268.56, 109,902.96 and 26,510.56 is: 39,765.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,268.56 : 109,902.96 = 26,510.56 : x
  2. Step 2: Convert to fraction form
    73,268.56/109,902.96 = 26,510.56/x
  3. Step 3: Cross multiply
    73,268.56x = 109,902.96 × 26,510.56
  4. Step 4: Simplify right side
    73,268.56x = 2,913,589,015.26
  5. Step 5: Solve for x
    x = 2,913,589,015.26/73,268.56
  6. Step 6: Final answer
    x = 39,765.88

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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.