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Finding the Fourth Proportional to 5,338.99, 8,008.89 and 4,091.39

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Solution

The fourth proportional to 5,338.99, 8,008.89 and 4,091.39 is: 6,137.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.99 : 8,008.89 = 4,091.39 : x
  2. Step 2: Convert to fraction form
    5,338.99/8,008.89 = 4,091.39/x
  3. Step 3: Cross multiply
    5,338.99x = 8,008.89 × 4,091.39
  4. Step 4: Simplify right side
    5,338.99x = 32,767,452.41
  5. Step 5: Solve for x
    x = 32,767,452.41/5,338.99
  6. Step 6: Final answer
    x = 6,137.39

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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.