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Finding the Fourth Proportional to 6,658.97, 9,190.50 and 6,363.73

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Solution

The fourth proportional to 6,658.97, 9,190.50 and 6,363.73 is: 8,783.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658.97 : 9,190.50 = 6,363.73 : x
  2. Step 2: Convert to fraction form
    6,658.97/9,190.50 = 6,363.73/x
  3. Step 3: Cross multiply
    6,658.97x = 9,190.50 × 6,363.73
  4. Step 4: Simplify right side
    6,658.97x = 58,485,814.61
  5. Step 5: Solve for x
    x = 58,485,814.61/6,658.97
  6. Step 6: Final answer
    x = 8,783.01

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Double scale
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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.