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Finding the Fourth Proportional to 73,484.88, 101,408.94 and 39,950.88

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Solution

The fourth proportional to 73,484.88, 101,408.94 and 39,950.88 is: 55,132.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,484.88 : 101,408.94 = 39,950.88 : x
  2. Step 2: Convert to fraction form
    73,484.88/101,408.94 = 39,950.88/x
  3. Step 3: Cross multiply
    73,484.88x = 101,408.94 × 39,950.88
  4. Step 4: Simplify right side
    73,484.88x = 4,051,376,392.87
  5. Step 5: Solve for x
    x = 4,051,376,392.87/73,484.88
  6. Step 6: Final answer
    x = 55,132.11

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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.