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Finding the Fourth Proportional to 5,338.98, 7,369.11 and 3,244.86

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Solution

The fourth proportional to 5,338.98, 7,369.11 and 3,244.86 is: 4,478.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.98 : 7,369.11 = 3,244.86 : x
  2. Step 2: Convert to fraction form
    5,338.98/7,369.11 = 3,244.86/x
  3. Step 3: Cross multiply
    5,338.98x = 7,369.11 × 3,244.86
  4. Step 4: Simplify right side
    5,338.98x = 23,911,730.27
  5. Step 5: Solve for x
    x = 23,911,730.27/5,338.98
  6. Step 6: Final answer
    x = 4,478.71

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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.