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Finding the Fourth Proportional to 3,687.66, 5,531.45 and 1,495.86

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Solution

The fourth proportional to 3,687.66, 5,531.45 and 1,495.86 is: 2,243.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.66 : 5,531.45 = 1,495.86 : x
  2. Step 2: Convert to fraction form
    3,687.66/5,531.45 = 1,495.86/x
  3. Step 3: Cross multiply
    3,687.66x = 5,531.45 × 1,495.86
  4. Step 4: Simplify right side
    3,687.66x = 8,274,267.32
  5. Step 5: Solve for x
    x = 8,274,267.32/3,687.66
  6. Step 6: Final answer
    x = 2,243.77

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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.