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Finding the Fourth Proportional to 2,104.88, 3,157.31 and 565.88

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Solution

The fourth proportional to 2,104.88, 3,157.31 and 565.88 is: 848.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.88 : 3,157.31 = 565.88 : x
  2. Step 2: Convert to fraction form
    2,104.88/3,157.31 = 565.88/x
  3. Step 3: Cross multiply
    2,104.88x = 3,157.31 × 565.88
  4. Step 4: Simplify right side
    2,104.88x = 1,786,644.21
  5. Step 5: Solve for x
    x = 1,786,644.21/2,104.88
  6. Step 6: Final answer
    x = 848.81

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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.