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Finding the Fourth Proportional to 6,795.20, 10,183.08 and 6,445.28

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Solution

The fourth proportional to 6,795.20, 10,183.08 and 6,445.28 is: 9,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,795.20 : 10,183.08 = 6,445.28 : x
  2. Step 2: Convert to fraction form
    6,795.20/10,183.08 = 6,445.28/x
  3. Step 3: Cross multiply
    6,795.20x = 10,183.08 × 6,445.28
  4. Step 4: Simplify right side
    6,795.20x = 65,632,801.86
  5. Step 5: Solve for x
    x = 65,632,801.86/6,795.20
  6. Step 6: Final answer
    x = 9,658.70

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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.