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Finding the Fourth Proportional to 3,495.99, 4,824.18 and 2,169.21

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Solution

The fourth proportional to 3,495.99, 4,824.18 and 2,169.21 is: 2,993.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.99 : 4,824.18 = 2,169.21 : x
  2. Step 2: Convert to fraction form
    3,495.99/4,824.18 = 2,169.21/x
  3. Step 3: Cross multiply
    3,495.99x = 4,824.18 × 2,169.21
  4. Step 4: Simplify right side
    3,495.99x = 10,464,659.50
  5. Step 5: Solve for x
    x = 10,464,659.50/3,495.99
  6. Step 6: Final answer
    x = 2,993.33

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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.