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Finding the Fourth Proportional to 6,331.56, 8,724.42 and 5,384.04

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Solution

The fourth proportional to 6,331.56, 8,724.42 and 5,384.04 is: 7,418.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,331.56 : 8,724.42 = 5,384.04 : x
  2. Step 2: Convert to fraction form
    6,331.56/8,724.42 = 5,384.04/x
  3. Step 3: Cross multiply
    6,331.56x = 8,724.42 × 5,384.04
  4. Step 4: Simplify right side
    6,331.56x = 46,972,626.26
  5. Step 5: Solve for x
    x = 46,972,626.26/6,331.56
  6. Step 6: Final answer
    x = 7,418.81

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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.