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Finding the Fourth Proportional to 6,168.53, 9,251.77 and 2,218.99

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Solution

The fourth proportional to 6,168.53, 9,251.77 and 2,218.99 is: 3,328.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,168.53 : 9,251.77 = 2,218.99 : x
  2. Step 2: Convert to fraction form
    6,168.53/9,251.77 = 2,218.99/x
  3. Step 3: Cross multiply
    6,168.53x = 9,251.77 × 2,218.99
  4. Step 4: Simplify right side
    6,168.53x = 20,529,585.11
  5. Step 5: Solve for x
    x = 20,529,585.11/6,168.53
  6. Step 6: Final answer
    x = 3,328.12

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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.