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Finding the Fourth Proportional to 6,937.67, 9,573.79 and 3,793.66

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Solution

The fourth proportional to 6,937.67, 9,573.79 and 3,793.66 is: 5,235.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,937.67 : 9,573.79 = 3,793.66 : x
  2. Step 2: Convert to fraction form
    6,937.67/9,573.79 = 3,793.66/x
  3. Step 3: Cross multiply
    6,937.67x = 9,573.79 × 3,793.66
  4. Step 4: Simplify right side
    6,937.67x = 36,319,704.17
  5. Step 5: Solve for x
    x = 36,319,704.17/6,937.67
  6. Step 6: Final answer
    x = 5,235.14

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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.