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Finding the Fourth Proportional to 6,937.74, 9,574.02 and 3,793.95

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Solution

The fourth proportional to 6,937.74, 9,574.02 and 3,793.95 is: 5,235.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,937.74 : 9,574.02 = 3,793.95 : x
  2. Step 2: Convert to fraction form
    6,937.74/9,574.02 = 3,793.95/x
  3. Step 3: Cross multiply
    6,937.74x = 9,574.02 × 3,793.95
  4. Step 4: Simplify right side
    6,937.74x = 36,323,353.18
  5. Step 5: Solve for x
    x = 36,323,353.18/6,937.74
  6. Step 6: Final answer
    x = 5,235.62

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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.