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Finding the Fourth Proportional to 18,410.88, 25,407.01 and 10,027.38

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Solution

The fourth proportional to 18,410.88, 25,407.01 and 10,027.38 is: 13,837.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,410.88 : 25,407.01 = 10,027.38 : x
  2. Step 2: Convert to fraction form
    18,410.88/25,407.01 = 10,027.38/x
  3. Step 3: Cross multiply
    18,410.88x = 25,407.01 × 10,027.38
  4. Step 4: Simplify right side
    18,410.88x = 254,765,591.83
  5. Step 5: Solve for x
    x = 254,765,591.83/18,410.88
  6. Step 6: Final answer
    x = 13,837.78

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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.