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Finding the Fourth Proportional to 10,333.67, 15,505.09 and 5,891.18

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Solution

The fourth proportional to 10,333.67, 15,505.09 and 5,891.18 is: 8,839.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,333.67 : 15,505.09 = 5,891.18 : x
  2. Step 2: Convert to fraction form
    10,333.67/15,505.09 = 5,891.18/x
  3. Step 3: Cross multiply
    10,333.67x = 15,505.09 × 5,891.18
  4. Step 4: Simplify right side
    10,333.67x = 91,343,183.85
  5. Step 5: Solve for x
    x = 91,343,183.85/10,333.67
  6. Step 6: Final answer
    x = 8,839.37

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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.