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Finding the Fourth Proportional to 26,923.29, 40,384.97 and 7,201.85

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Solution

The fourth proportional to 26,923.29, 40,384.97 and 7,201.85 is: 10,802.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,923.29 : 40,384.97 = 7,201.85 : x
  2. Step 2: Convert to fraction form
    26,923.29/40,384.97 = 7,201.85/x
  3. Step 3: Cross multiply
    26,923.29x = 40,384.97 × 7,201.85
  4. Step 4: Simplify right side
    26,923.29x = 290,846,496.19
  5. Step 5: Solve for x
    x = 290,846,496.19/26,923.29
  6. Step 6: Final answer
    x = 10,802.78

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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.