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Finding the Fourth Proportional to 6,914.74, 9,542.03 and 4,230.42

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Solution

The fourth proportional to 6,914.74, 9,542.03 and 4,230.42 is: 5,837.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,914.74 : 9,542.03 = 4,230.42 : x
  2. Step 2: Convert to fraction form
    6,914.74/9,542.03 = 4,230.42/x
  3. Step 3: Cross multiply
    6,914.74x = 9,542.03 × 4,230.42
  4. Step 4: Simplify right side
    6,914.74x = 40,366,794.55
  5. Step 5: Solve for x
    x = 40,366,794.55/6,914.74
  6. Step 6: Final answer
    x = 5,837.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.