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Finding the Fourth Proportional to 7,469.52, 11,197.80 and 3,768.66

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Solution

The fourth proportional to 7,469.52, 11,197.80 and 3,768.66 is: 5,649.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.52 : 11,197.80 = 3,768.66 : x
  2. Step 2: Convert to fraction form
    7,469.52/11,197.80 = 3,768.66/x
  3. Step 3: Cross multiply
    7,469.52x = 11,197.80 × 3,768.66
  4. Step 4: Simplify right side
    7,469.52x = 42,200,700.95
  5. Step 5: Solve for x
    x = 42,200,700.95/7,469.52
  6. Step 6: Final answer
    x = 5,649.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.