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Finding the Fourth Proportional to 3,671.58, 5,500.08 and 1,717.86

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Solution

The fourth proportional to 3,671.58, 5,500.08 and 1,717.86 is: 2,573.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.58 : 5,500.08 = 1,717.86 : x
  2. Step 2: Convert to fraction form
    3,671.58/5,500.08 = 1,717.86/x
  3. Step 3: Cross multiply
    3,671.58x = 5,500.08 × 1,717.86
  4. Step 4: Simplify right side
    3,671.58x = 9,448,367.43
  5. Step 5: Solve for x
    x = 9,448,367.43/3,671.58
  6. Step 6: Final answer
    x = 2,573.38

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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.