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Finding the Fourth Proportional to 6,324.90, 8,724.74 and 3,671.97

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Solution

The fourth proportional to 6,324.90, 8,724.74 and 3,671.97 is: 5,065.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,324.90 : 8,724.74 = 3,671.97 : x
  2. Step 2: Convert to fraction form
    6,324.90/8,724.74 = 3,671.97/x
  3. Step 3: Cross multiply
    6,324.90x = 8,724.74 × 3,671.97
  4. Step 4: Simplify right side
    6,324.90x = 32,036,965.18
  5. Step 5: Solve for x
    x = 32,036,965.18/6,324.90
  6. Step 6: Final answer
    x = 5,065.21

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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.