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Finding the Fourth Proportional to 3,568.50, 5,350.50 and 1,720.08

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Solution

The fourth proportional to 3,568.50, 5,350.50 and 1,720.08 is: 2,579.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.50 : 5,350.50 = 1,720.08 : x
  2. Step 2: Convert to fraction form
    3,568.50/5,350.50 = 1,720.08/x
  3. Step 3: Cross multiply
    3,568.50x = 5,350.50 × 1,720.08
  4. Step 4: Simplify right side
    3,568.50x = 9,203,288.04
  5. Step 5: Solve for x
    x = 9,203,288.04/3,568.50
  6. Step 6: Final answer
    x = 2,579.04

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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.