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Finding the Fourth Proportional to 9,297.90, 13,949.01 and 2,724.21

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Solution

The fourth proportional to 9,297.90, 13,949.01 and 2,724.21 is: 4,086.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,297.90 : 13,949.01 = 2,724.21 : x
  2. Step 2: Convert to fraction form
    9,297.90/13,949.01 = 2,724.21/x
  3. Step 3: Cross multiply
    9,297.90x = 13,949.01 × 2,724.21
  4. Step 4: Simplify right side
    9,297.90x = 38,000,032.53
  5. Step 5: Solve for x
    x = 38,000,032.53/9,297.90
  6. Step 6: Final answer
    x = 4,086.95

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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.