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Finding the Fourth Proportional to 6,937.77, 9,574.37 and 3,793.96

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Solution

The fourth proportional to 6,937.77, 9,574.37 and 3,793.96 is: 5,235.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,937.77 : 9,574.37 = 3,793.96 : x
  2. Step 2: Convert to fraction form
    6,937.77/9,574.37 = 3,793.96/x
  3. Step 3: Cross multiply
    6,937.77x = 9,574.37 × 3,793.96
  4. Step 4: Simplify right side
    6,937.77x = 36,324,776.81
  5. Step 5: Solve for x
    x = 36,324,776.81/6,937.77
  6. Step 6: Final answer
    x = 5,235.80

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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.