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Finding the Fourth Proportional to 26,697.33, 40,111.65 and 20,103.51

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Solution

The fourth proportional to 26,697.33, 40,111.65 and 20,103.51 is: 30,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,697.33 : 40,111.65 = 20,103.51 : x
  2. Step 2: Convert to fraction form
    26,697.33/40,111.65 = 20,103.51/x
  3. Step 3: Cross multiply
    26,697.33x = 40,111.65 × 20,103.51
  4. Step 4: Simplify right side
    26,697.33x = 806,384,956.89
  5. Step 5: Solve for x
    x = 806,384,956.89/26,697.33
  6. Step 6: Final answer
    x = 30,204.70

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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.