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Finding the Fourth Proportional to 66,447.54, 99,671.31 and 26,995.41

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Solution

The fourth proportional to 66,447.54, 99,671.31 and 26,995.41 is: 40,493.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,447.54 : 99,671.31 = 26,995.41 : x
  2. Step 2: Convert to fraction form
    66,447.54/99,671.31 = 26,995.41/x
  3. Step 3: Cross multiply
    66,447.54x = 99,671.31 × 26,995.41
  4. Step 4: Simplify right side
    66,447.54x = 2,690,667,878.69
  5. Step 5: Solve for x
    x = 2,690,667,878.69/66,447.54
  6. Step 6: Final answer
    x = 40,493.12

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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.