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Finding the Fourth Proportional to 73,184.34, 100,994.31 and 39,650.34

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Solution

The fourth proportional to 73,184.34, 100,994.31 and 39,650.34 is: 54,717.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,184.34 : 100,994.31 = 39,650.34 : x
  2. Step 2: Convert to fraction form
    73,184.34/100,994.31 = 39,650.34/x
  3. Step 3: Cross multiply
    73,184.34x = 100,994.31 × 39,650.34
  4. Step 4: Simplify right side
    73,184.34x = 4,004,458,729.57
  5. Step 5: Solve for x
    x = 4,004,458,729.57/73,184.34
  6. Step 6: Final answer
    x = 54,717.43

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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.