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Finding the Fourth Proportional to 3,261.74, 4,502 and 2,003.10

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Solution

The fourth proportional to 3,261.74, 4,502 and 2,003.10 is: 2,764.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.74 : 4,502 = 2,003.10 : x
  2. Step 2: Convert to fraction form
    3,261.74/4,502 = 2,003.10/x
  3. Step 3: Cross multiply
    3,261.74x = 4,502 × 2,003.10
  4. Step 4: Simplify right side
    3,261.74x = 9,017,956.20
  5. Step 5: Solve for x
    x = 9,017,956.20/3,261.74
  6. Step 6: Final answer
    x = 2,764.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.