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Finding the Fourth Proportional to 6,914.68, 9,542.22 and 3,770.80

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Solution

The fourth proportional to 6,914.68, 9,542.22 and 3,770.80 is: 5,203.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,914.68 : 9,542.22 = 3,770.80 : x
  2. Step 2: Convert to fraction form
    6,914.68/9,542.22 = 3,770.80/x
  3. Step 3: Cross multiply
    6,914.68x = 9,542.22 × 3,770.80
  4. Step 4: Simplify right side
    6,914.68x = 35,981,803.18
  5. Step 5: Solve for x
    x = 35,981,803.18/6,914.68
  6. Step 6: Final answer
    x = 5,203.68

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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.