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Finding the Fourth Proportional to 6,991.85, 10,469.08 and 5,884.68

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Solution

The fourth proportional to 6,991.85, 10,469.08 and 5,884.68 is: 8,811.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991.85 : 10,469.08 = 5,884.68 : x
  2. Step 2: Convert to fraction form
    6,991.85/10,469.08 = 5,884.68/x
  3. Step 3: Cross multiply
    6,991.85x = 10,469.08 × 5,884.68
  4. Step 4: Simplify right side
    6,991.85x = 61,607,232.31
  5. Step 5: Solve for x
    x = 61,607,232.31/6,991.85
  6. Step 6: Final answer
    x = 8,811.29

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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.