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Finding the Fourth Proportional to 2,892.64, 4,337.68 and 1,796.96

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Solution

The fourth proportional to 2,892.64, 4,337.68 and 1,796.96 is: 2,694.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892.64 : 4,337.68 = 1,796.96 : x
  2. Step 2: Convert to fraction form
    2,892.64/4,337.68 = 1,796.96/x
  3. Step 3: Cross multiply
    2,892.64x = 4,337.68 × 1,796.96
  4. Step 4: Simplify right side
    2,892.64x = 7,794,637.45
  5. Step 5: Solve for x
    x = 7,794,637.45/2,892.64
  6. Step 6: Final answer
    x = 2,694.64

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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.