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Finding the Fourth Proportional to 67,380.50, 101,027.54 and 27,964.82

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Solution

The fourth proportional to 67,380.50, 101,027.54 and 27,964.82 is: 41,929.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,380.50 : 101,027.54 = 27,964.82 : x
  2. Step 2: Convert to fraction form
    67,380.50/101,027.54 = 27,964.82/x
  3. Step 3: Cross multiply
    67,380.50x = 101,027.54 × 27,964.82
  4. Step 4: Simplify right side
    67,380.50x = 2,825,216,971.14
  5. Step 5: Solve for x
    x = 2,825,216,971.14/67,380.50
  6. Step 6: Final answer
    x = 41,929.30

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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.