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Finding the Fourth Proportional to 6,883.86, 9,500.30 and 4,231.92

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Solution

The fourth proportional to 6,883.86, 9,500.30 and 4,231.92 is: 5,840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,883.86 : 9,500.30 = 4,231.92 : x
  2. Step 2: Convert to fraction form
    6,883.86/9,500.30 = 4,231.92/x
  3. Step 3: Cross multiply
    6,883.86x = 9,500.30 × 4,231.92
  4. Step 4: Simplify right side
    6,883.86x = 40,204,509.58
  5. Step 5: Solve for x
    x = 40,204,509.58/6,883.86
  6. Step 6: Final answer
    x = 5,840.40

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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.