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Finding the Fourth Proportional to 6,796.24, 9,378.74 and 4,143.48

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Solution

The fourth proportional to 6,796.24, 9,378.74 and 4,143.48 is: 5,717.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,796.24 : 9,378.74 = 4,143.48 : x
  2. Step 2: Convert to fraction form
    6,796.24/9,378.74 = 4,143.48/x
  3. Step 3: Cross multiply
    6,796.24x = 9,378.74 × 4,143.48
  4. Step 4: Simplify right side
    6,796.24x = 38,860,621.62
  5. Step 5: Solve for x
    x = 38,860,621.62/6,796.24
  6. Step 6: Final answer
    x = 5,717.96

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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.