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Finding the Fourth Proportional to 18,392, 27,593.44 and 10,606.40

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Solution

The fourth proportional to 18,392, 27,593.44 and 10,606.40 is: 15,912.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392 : 27,593.44 = 10,606.40 : x
  2. Step 2: Convert to fraction form
    18,392/27,593.44 = 10,606.40/x
  3. Step 3: Cross multiply
    18,392x = 27,593.44 × 10,606.40
  4. Step 4: Simplify right side
    18,392x = 292,667,062.02
  5. Step 5: Solve for x
    x = 292,667,062.02/18,392
  6. Step 6: Final answer
    x = 15,912.74

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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.