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Finding the Fourth Proportional to 69,791.66, 96,351.94 and 53,408.08

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Solution

The fourth proportional to 69,791.66, 96,351.94 and 53,408.08 is: 73,733.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,791.66 : 96,351.94 = 53,408.08 : x
  2. Step 2: Convert to fraction form
    69,791.66/96,351.94 = 53,408.08/x
  3. Step 3: Cross multiply
    69,791.66x = 96,351.94 × 53,408.08
  4. Step 4: Simplify right side
    69,791.66x = 5,145,972,119.68
  5. Step 5: Solve for x
    x = 5,145,972,119.68/69,791.66
  6. Step 6: Final answer
    x = 73,733.34

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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.