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Finding the Fourth Proportional to 3,352.93, 4,629.29 and 2,997.70

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Solution

The fourth proportional to 3,352.93, 4,629.29 and 2,997.70 is: 4,138.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,352.93 : 4,629.29 = 2,997.70 : x
  2. Step 2: Convert to fraction form
    3,352.93/4,629.29 = 2,997.70/x
  3. Step 3: Cross multiply
    3,352.93x = 4,629.29 × 2,997.70
  4. Step 4: Simplify right side
    3,352.93x = 13,877,196.07
  5. Step 5: Solve for x
    x = 13,877,196.07/3,352.93
  6. Step 6: Final answer
    x = 4,138.83

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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.