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Finding the Fourth Proportional to 73,484, 101,408.04 and 39,950

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Solution

The fourth proportional to 73,484, 101,408.04 and 39,950 is: 55,131.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,484 : 101,408.04 = 39,950 : x
  2. Step 2: Convert to fraction form
    73,484/101,408.04 = 39,950/x
  3. Step 3: Cross multiply
    73,484x = 101,408.04 × 39,950
  4. Step 4: Simplify right side
    73,484x = 4,051,251,198.00
  5. Step 5: Solve for x
    x = 4,051,251,198.00/73,484
  6. Step 6: Final answer
    x = 55,131.07

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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.