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Finding the Fourth Proportional to 75,611.88, 113,446.98 and 33,470.82

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Solution

The fourth proportional to 75,611.88, 113,446.98 and 33,470.82 is: 50,219.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,611.88 : 113,446.98 = 33,470.82 : x
  2. Step 2: Convert to fraction form
    75,611.88/113,446.98 = 33,470.82/x
  3. Step 3: Cross multiply
    75,611.88x = 113,446.98 × 33,470.82
  4. Step 4: Simplify right side
    75,611.88x = 3,797,163,447.12
  5. Step 5: Solve for x
    x = 3,797,163,447.12/75,611.88
  6. Step 6: Final answer
    x = 50,219.14

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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.