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Finding the Fourth Proportional to 6,635.86, 9,958.65 and 5,352.82

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Solution

The fourth proportional to 6,635.86, 9,958.65 and 5,352.82 is: 8,033.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.86 : 9,958.65 = 5,352.82 : x
  2. Step 2: Convert to fraction form
    6,635.86/9,958.65 = 5,352.82/x
  3. Step 3: Cross multiply
    6,635.86x = 9,958.65 × 5,352.82
  4. Step 4: Simplify right side
    6,635.86x = 53,306,860.89
  5. Step 5: Solve for x
    x = 53,306,860.89/6,635.86
  6. Step 6: Final answer
    x = 8,033.15

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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.