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Finding the Fourth Proportional to 6,922.05, 10,375.21 and 6,087.49

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Solution

The fourth proportional to 6,922.05, 10,375.21 and 6,087.49 is: 9,124.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.05 : 10,375.21 = 6,087.49 : x
  2. Step 2: Convert to fraction form
    6,922.05/10,375.21 = 6,087.49/x
  3. Step 3: Cross multiply
    6,922.05x = 10,375.21 × 6,087.49
  4. Step 4: Simplify right side
    6,922.05x = 63,158,987.12
  5. Step 5: Solve for x
    x = 63,158,987.12/6,922.05
  6. Step 6: Final answer
    x = 9,124.32

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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.