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Finding the Fourth Proportional to 3,687.66, 5,086.62 and 2,360.88

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Solution

The fourth proportional to 3,687.66, 5,086.62 and 2,360.88 is: 3,256.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.66 : 5,086.62 = 2,360.88 : x
  2. Step 2: Convert to fraction form
    3,687.66/5,086.62 = 2,360.88/x
  3. Step 3: Cross multiply
    3,687.66x = 5,086.62 × 2,360.88
  4. Step 4: Simplify right side
    3,687.66x = 12,008,899.43
  5. Step 5: Solve for x
    x = 12,008,899.43/3,687.66
  6. Step 6: Final answer
    x = 3,256.51

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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.