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Finding the Fourth Proportional to 6,636.96, 9,949.86 and 4,438.98

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Solution

The fourth proportional to 6,636.96, 9,949.86 and 4,438.98 is: 6,654.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.96 : 9,949.86 = 4,438.98 : x
  2. Step 2: Convert to fraction form
    6,636.96/9,949.86 = 4,438.98/x
  3. Step 3: Cross multiply
    6,636.96x = 9,949.86 × 4,438.98
  4. Step 4: Simplify right side
    6,636.96x = 44,167,229.54
  5. Step 5: Solve for x
    x = 44,167,229.54/6,636.96
  6. Step 6: Final answer
    x = 6,654.74

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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.