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Finding the Fourth Proportional to 67,071.88, 100,573.26 and 27,621.64

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Solution

The fourth proportional to 67,071.88, 100,573.26 and 27,621.64 is: 41,418.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,071.88 : 100,573.26 = 27,621.64 : x
  2. Step 2: Convert to fraction form
    67,071.88/100,573.26 = 27,621.64/x
  3. Step 3: Cross multiply
    67,071.88x = 100,573.26 × 27,621.64
  4. Step 4: Simplify right side
    67,071.88x = 2,777,998,381.35
  5. Step 5: Solve for x
    x = 2,777,998,381.35/67,071.88
  6. Step 6: Final answer
    x = 41,418.23

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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.