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Finding the Fourth Proportional to 73,994.24, 111,002.24 and 21,396.88

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Solution

The fourth proportional to 73,994.24, 111,002.24 and 21,396.88 is: 32,098.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,994.24 : 111,002.24 = 21,396.88 : x
  2. Step 2: Convert to fraction form
    73,994.24/111,002.24 = 21,396.88/x
  3. Step 3: Cross multiply
    73,994.24x = 111,002.24 × 21,396.88
  4. Step 4: Simplify right side
    73,994.24x = 2,375,101,609.01
  5. Step 5: Solve for x
    x = 2,375,101,609.01/73,994.24
  6. Step 6: Final answer
    x = 32,098.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.