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Finding the Fourth Proportional to 75,477.37, 104,049.00 and 52,745.79

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Solution

The fourth proportional to 75,477.37, 104,049.00 and 52,745.79 is: 72,712.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,477.37 : 104,049.00 = 52,745.79 : x
  2. Step 2: Convert to fraction form
    75,477.37/104,049.00 = 52,745.79/x
  3. Step 3: Cross multiply
    75,477.37x = 104,049.00 × 52,745.79
  4. Step 4: Simplify right side
    75,477.37x = 5,488,145,919.74
  5. Step 5: Solve for x
    x = 5,488,145,919.74/75,477.37
  6. Step 6: Final answer
    x = 72,712.47

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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.