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Finding the Fourth Proportional to 3,589.87, 4,954.54 and 2,173.64

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Solution

The fourth proportional to 3,589.87, 4,954.54 and 2,173.64 is: 2,999.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589.87 : 4,954.54 = 2,173.64 : x
  2. Step 2: Convert to fraction form
    3,589.87/4,954.54 = 2,173.64/x
  3. Step 3: Cross multiply
    3,589.87x = 4,954.54 × 2,173.64
  4. Step 4: Simplify right side
    3,589.87x = 10,769,366.31
  5. Step 5: Solve for x
    x = 10,769,366.31/3,589.87
  6. Step 6: Final answer
    x = 2,999.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.