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Finding the Fourth Proportional to 1,832.64, 2,744.64 and 1,448.16

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Solution

The fourth proportional to 1,832.64, 2,744.64 and 1,448.16 is: 2,168.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832.64 : 2,744.64 = 1,448.16 : x
  2. Step 2: Convert to fraction form
    1,832.64/2,744.64 = 1,448.16/x
  3. Step 3: Cross multiply
    1,832.64x = 2,744.64 × 1,448.16
  4. Step 4: Simplify right side
    1,832.64x = 3,974,677.86
  5. Step 5: Solve for x
    x = 3,974,677.86/1,832.64
  6. Step 6: Final answer
    x = 2,168.83

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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.