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Finding the Fourth Proportional to 3,502.99, 5,254.48 and 3,327.80

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Solution

The fourth proportional to 3,502.99, 5,254.48 and 3,327.80 is: 4,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,502.99 : 5,254.48 = 3,327.80 : x
  2. Step 2: Convert to fraction form
    3,502.99/5,254.48 = 3,327.80/x
  3. Step 3: Cross multiply
    3,502.99x = 5,254.48 × 3,327.80
  4. Step 4: Simplify right side
    3,502.99x = 17,485,858.54
  5. Step 5: Solve for x
    x = 17,485,858.54/3,502.99
  6. Step 6: Final answer
    x = 4,991.70

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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.