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Finding the Fourth Proportional to 26,993.79, 40,493.66 and 10,368.09

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Solution

The fourth proportional to 26,993.79, 40,493.66 and 10,368.09 is: 15,553.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,993.79 : 40,493.66 = 10,368.09 : x
  2. Step 2: Convert to fraction form
    26,993.79/40,493.66 = 10,368.09/x
  3. Step 3: Cross multiply
    26,993.79x = 40,493.66 × 10,368.09
  4. Step 4: Simplify right side
    26,993.79x = 419,841,859.47
  5. Step 5: Solve for x
    x = 419,841,859.47/26,993.79
  6. Step 6: Final answer
    x = 15,553.28

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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.