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Finding the Fourth Proportional to 5,193.87, 7,167.87 and 2,955.94

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Solution

The fourth proportional to 5,193.87, 7,167.87 and 2,955.94 is: 4,079.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.87 : 7,167.87 = 2,955.94 : x
  2. Step 2: Convert to fraction form
    5,193.87/7,167.87 = 2,955.94/x
  3. Step 3: Cross multiply
    5,193.87x = 7,167.87 × 2,955.94
  4. Step 4: Simplify right side
    5,193.87x = 21,187,807.73
  5. Step 5: Solve for x
    x = 21,187,807.73/5,193.87
  6. Step 6: Final answer
    x = 4,079.39

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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.