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Finding the Fourth Proportional to 3,671.33, 5,502.52 and 1,720.93

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Solution

The fourth proportional to 3,671.33, 5,502.52 and 1,720.93 is: 2,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.33 : 5,502.52 = 1,720.93 : x
  2. Step 2: Convert to fraction form
    3,671.33/5,502.52 = 1,720.93/x
  3. Step 3: Cross multiply
    3,671.33x = 5,502.52 × 1,720.93
  4. Step 4: Simplify right side
    3,671.33x = 9,469,443.14
  5. Step 5: Solve for x
    x = 9,469,443.14/3,671.33
  6. Step 6: Final answer
    x = 2,579.30

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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.