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Finding the Fourth Proportional to 70,993.82, 106,459.65 and 26,589.44

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Solution

The fourth proportional to 70,993.82, 106,459.65 and 26,589.44 is: 39,872.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,993.82 : 106,459.65 = 26,589.44 : x
  2. Step 2: Convert to fraction form
    70,993.82/106,459.65 = 26,589.44/x
  3. Step 3: Cross multiply
    70,993.82x = 106,459.65 × 26,589.44
  4. Step 4: Simplify right side
    70,993.82x = 2,830,701,943.80
  5. Step 5: Solve for x
    x = 2,830,701,943.80/70,993.82
  6. Step 6: Final answer
    x = 39,872.51

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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.