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Finding the Fourth Proportional to 6,939.28, 10,399.98 and 6,046.19

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Solution

The fourth proportional to 6,939.28, 10,399.98 and 6,046.19 is: 9,061.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.28 : 10,399.98 = 6,046.19 : x
  2. Step 2: Convert to fraction form
    6,939.28/10,399.98 = 6,046.19/x
  3. Step 3: Cross multiply
    6,939.28x = 10,399.98 × 6,046.19
  4. Step 4: Simplify right side
    6,939.28x = 62,880,224.85
  5. Step 5: Solve for x
    x = 62,880,224.85/6,939.28
  6. Step 6: Final answer
    x = 9,061.49

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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.