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Finding the Fourth Proportional to 3,327.99, 4,991.31 and 1,572.24

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Solution

The fourth proportional to 3,327.99, 4,991.31 and 1,572.24 is: 2,358.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.99 : 4,991.31 = 1,572.24 : x
  2. Step 2: Convert to fraction form
    3,327.99/4,991.31 = 1,572.24/x
  3. Step 3: Cross multiply
    3,327.99x = 4,991.31 × 1,572.24
  4. Step 4: Simplify right side
    3,327.99x = 7,847,537.23
  5. Step 5: Solve for x
    x = 7,847,537.23/3,327.99
  6. Step 6: Final answer
    x = 2,358.04

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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.