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Finding the Fourth Proportional to 26,697.84, 36,842.04 and 15,369.09

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Solution

The fourth proportional to 26,697.84, 36,842.04 and 15,369.09 is: 21,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,697.84 : 36,842.04 = 15,369.09 : x
  2. Step 2: Convert to fraction form
    26,697.84/36,842.04 = 15,369.09/x
  3. Step 3: Cross multiply
    26,697.84x = 36,842.04 × 15,369.09
  4. Step 4: Simplify right side
    26,697.84x = 566,228,628.54
  5. Step 5: Solve for x
    x = 566,228,628.54/26,697.84
  6. Step 6: Final answer
    x = 21,208.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.