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Finding the Fourth Proportional to 3,196.99, 4,788.55 and 1,550.08

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Solution

The fourth proportional to 3,196.99, 4,788.55 and 1,550.08 is: 2,321.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196.99 : 4,788.55 = 1,550.08 : x
  2. Step 2: Convert to fraction form
    3,196.99/4,788.55 = 1,550.08/x
  3. Step 3: Cross multiply
    3,196.99x = 4,788.55 × 1,550.08
  4. Step 4: Simplify right side
    3,196.99x = 7,422,635.58
  5. Step 5: Solve for x
    x = 7,422,635.58/3,196.99
  6. Step 6: Final answer
    x = 2,321.76

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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.