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Finding the Fourth Proportional to 71,973.44, 107,974 and 27,596.73

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Solution

The fourth proportional to 71,973.44, 107,974 and 27,596.73 is: 41,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,973.44 : 107,974 = 27,596.73 : x
  2. Step 2: Convert to fraction form
    71,973.44/107,974 = 27,596.73/x
  3. Step 3: Cross multiply
    71,973.44x = 107,974 × 27,596.73
  4. Step 4: Simplify right side
    71,973.44x = 2,979,729,325.02
  5. Step 5: Solve for x
    x = 2,979,729,325.02/71,973.44
  6. Step 6: Final answer
    x = 41,400.40

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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.