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Finding the Fourth Proportional to 3,224.99, 4,811.54 and 2,874.15

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Solution

The fourth proportional to 3,224.99, 4,811.54 and 2,874.15 is: 4,288.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,224.99 : 4,811.54 = 2,874.15 : x
  2. Step 2: Convert to fraction form
    3,224.99/4,811.54 = 2,874.15/x
  3. Step 3: Cross multiply
    3,224.99x = 4,811.54 × 2,874.15
  4. Step 4: Simplify right side
    3,224.99x = 13,829,073.32
  5. Step 5: Solve for x
    x = 13,829,073.32/3,224.99
  6. Step 6: Final answer
    x = 4,288.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.