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Finding the Fourth Proportional to 3,373.89, 4,655.99 and 1,958.42

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Solution

The fourth proportional to 3,373.89, 4,655.99 and 1,958.42 is: 2,702.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373.89 : 4,655.99 = 1,958.42 : x
  2. Step 2: Convert to fraction form
    3,373.89/4,655.99 = 1,958.42/x
  3. Step 3: Cross multiply
    3,373.89x = 4,655.99 × 1,958.42
  4. Step 4: Simplify right side
    3,373.89x = 9,118,383.94
  5. Step 5: Solve for x
    x = 9,118,383.94/3,373.89
  6. Step 6: Final answer
    x = 2,702.63

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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.