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Finding the Fourth Proportional to 5,502.87, 8,255.87 and 2,169.06

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Solution

The fourth proportional to 5,502.87, 8,255.87 and 2,169.06 is: 3,254.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,502.87 : 8,255.87 = 2,169.06 : x
  2. Step 2: Convert to fraction form
    5,502.87/8,255.87 = 2,169.06/x
  3. Step 3: Cross multiply
    5,502.87x = 8,255.87 × 2,169.06
  4. Step 4: Simplify right side
    5,502.87x = 17,907,507.27
  5. Step 5: Solve for x
    x = 17,907,507.27/5,502.87
  6. Step 6: Final answer
    x = 3,254.21

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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.