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Finding the Fourth Proportional to 6,662.25, 9,974.88 and 4,324.95

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Solution

The fourth proportional to 6,662.25, 9,974.88 and 4,324.95 is: 6,475.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662.25 : 9,974.88 = 4,324.95 : x
  2. Step 2: Convert to fraction form
    6,662.25/9,974.88 = 4,324.95/x
  3. Step 3: Cross multiply
    6,662.25x = 9,974.88 × 4,324.95
  4. Step 4: Simplify right side
    6,662.25x = 43,140,857.26
  5. Step 5: Solve for x
    x = 43,140,857.26/6,662.25
  6. Step 6: Final answer
    x = 6,475.42

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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.