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Finding the Fourth Proportional to 18,404.02, 27,608.64 and 5,921.14

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Solution

The fourth proportional to 18,404.02, 27,608.64 and 5,921.14 is: 8,882.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,404.02 : 27,608.64 = 5,921.14 : x
  2. Step 2: Convert to fraction form
    18,404.02/27,608.64 = 5,921.14/x
  3. Step 3: Cross multiply
    18,404.02x = 27,608.64 × 5,921.14
  4. Step 4: Simplify right side
    18,404.02x = 163,474,705.33
  5. Step 5: Solve for x
    x = 163,474,705.33/18,404.02
  6. Step 6: Final answer
    x = 8,882.55

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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.