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Finding the Fourth Proportional to 69,996.98, 104,921.19 and 34,408.10

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Solution

The fourth proportional to 69,996.98, 104,921.19 and 34,408.10 is: 51,575.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,996.98 : 104,921.19 = 34,408.10 : x
  2. Step 2: Convert to fraction form
    69,996.98/104,921.19 = 34,408.10/x
  3. Step 3: Cross multiply
    69,996.98x = 104,921.19 × 34,408.10
  4. Step 4: Simplify right side
    69,996.98x = 3,610,138,273.03
  5. Step 5: Solve for x
    x = 3,610,138,273.03/69,996.98
  6. Step 6: Final answer
    x = 51,575.63

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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.