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Finding the Fourth Proportional to 6,860.56, 9,462.36 and 4,843.12

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Solution

The fourth proportional to 6,860.56, 9,462.36 and 4,843.12 is: 6,679.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.56 : 9,462.36 = 4,843.12 : x
  2. Step 2: Convert to fraction form
    6,860.56/9,462.36 = 4,843.12/x
  3. Step 3: Cross multiply
    6,860.56x = 9,462.36 × 4,843.12
  4. Step 4: Simplify right side
    6,860.56x = 45,827,344.96
  5. Step 5: Solve for x
    x = 45,827,344.96/6,860.56
  6. Step 6: Final answer
    x = 6,679.83

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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.