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Finding the Fourth Proportional to 2,739.88, 4,110.04 and 792.10

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Solution

The fourth proportional to 2,739.88, 4,110.04 and 792.10 is: 1,188.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.88 : 4,110.04 = 792.10 : x
  2. Step 2: Convert to fraction form
    2,739.88/4,110.04 = 792.10/x
  3. Step 3: Cross multiply
    2,739.88x = 4,110.04 × 792.10
  4. Step 4: Simplify right side
    2,739.88x = 3,255,562.68
  5. Step 5: Solve for x
    x = 3,255,562.68/2,739.88
  6. Step 6: Final answer
    x = 1,188.21

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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.