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Finding the Fourth Proportional to 5,791.50, 7,993.35 and 3,307.50

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Solution

The fourth proportional to 5,791.50, 7,993.35 and 3,307.50 is: 4,564.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.50 : 7,993.35 = 3,307.50 : x
  2. Step 2: Convert to fraction form
    5,791.50/7,993.35 = 3,307.50/x
  3. Step 3: Cross multiply
    5,791.50x = 7,993.35 × 3,307.50
  4. Step 4: Simplify right side
    5,791.50x = 26,438,005.13
  5. Step 5: Solve for x
    x = 26,438,005.13/5,791.50
  6. Step 6: Final answer
    x = 4,564.97

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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.