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Finding the Fourth Proportional to 26,632.74, 39,949.73 and 6,912.08

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Solution

The fourth proportional to 26,632.74, 39,949.73 and 6,912.08 is: 10,368.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,632.74 : 39,949.73 = 6,912.08 : x
  2. Step 2: Convert to fraction form
    26,632.74/39,949.73 = 6,912.08/x
  3. Step 3: Cross multiply
    26,632.74x = 39,949.73 × 6,912.08
  4. Step 4: Simplify right side
    26,632.74x = 276,135,729.74
  5. Step 5: Solve for x
    x = 276,135,729.74/26,632.74
  6. Step 6: Final answer
    x = 10,368.28

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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.