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Finding the Fourth Proportional to 3,687.36, 5,532.64 and 1,738.24

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Solution

The fourth proportional to 3,687.36, 5,532.64 and 1,738.24 is: 2,608.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.36 : 5,532.64 = 1,738.24 : x
  2. Step 2: Convert to fraction form
    3,687.36/5,532.64 = 1,738.24/x
  3. Step 3: Cross multiply
    3,687.36x = 5,532.64 × 1,738.24
  4. Step 4: Simplify right side
    3,687.36x = 9,617,056.15
  5. Step 5: Solve for x
    x = 9,617,056.15/3,687.36
  6. Step 6: Final answer
    x = 2,608.11

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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.