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Finding the Fourth Proportional to 22,507.92, 33,742.73 and 13,748.99

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Solution

The fourth proportional to 22,507.92, 33,742.73 and 13,748.99 is: 20,611.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,507.92 : 33,742.73 = 13,748.99 : x
  2. Step 2: Convert to fraction form
    22,507.92/33,742.73 = 13,748.99/x
  3. Step 3: Cross multiply
    22,507.92x = 33,742.73 × 13,748.99
  4. Step 4: Simplify right side
    22,507.92x = 463,928,219.88
  5. Step 5: Solve for x
    x = 463,928,219.88/22,507.92
  6. Step 6: Final answer
    x = 20,611.78

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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.