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Finding the Fourth Proportional to 26,693.53, 40,043.97 and 9,161.08

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Solution

The fourth proportional to 26,693.53, 40,043.97 and 9,161.08 is: 13,742.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,693.53 : 40,043.97 = 9,161.08 : x
  2. Step 2: Convert to fraction form
    26,693.53/40,043.97 = 9,161.08/x
  3. Step 3: Cross multiply
    26,693.53x = 40,043.97 × 9,161.08
  4. Step 4: Simplify right side
    26,693.53x = 366,845,912.58
  5. Step 5: Solve for x
    x = 366,845,912.58/26,693.53
  6. Step 6: Final answer
    x = 13,742.88

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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.