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Finding the Fourth Proportional to 2,884.99, 4,327.17 and 936.73

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Solution

The fourth proportional to 2,884.99, 4,327.17 and 936.73 is: 1,404.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.99 : 4,327.17 = 936.73 : x
  2. Step 2: Convert to fraction form
    2,884.99/4,327.17 = 936.73/x
  3. Step 3: Cross multiply
    2,884.99x = 4,327.17 × 936.73
  4. Step 4: Simplify right side
    2,884.99x = 4,053,389.95
  5. Step 5: Solve for x
    x = 4,053,389.95/2,884.99
  6. Step 6: Final answer
    x = 1,404.99

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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.