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Finding the Fourth Proportional to 6,634.08, 9,914.22 and 4,424.40

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Solution

The fourth proportional to 6,634.08, 9,914.22 and 4,424.40 is: 6,611.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,634.08 : 9,914.22 = 4,424.40 : x
  2. Step 2: Convert to fraction form
    6,634.08/9,914.22 = 4,424.40/x
  3. Step 3: Cross multiply
    6,634.08x = 9,914.22 × 4,424.40
  4. Step 4: Simplify right side
    6,634.08x = 43,864,474.97
  5. Step 5: Solve for x
    x = 43,864,474.97/6,634.08
  6. Step 6: Final answer
    x = 6,611.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.