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Finding the Fourth Proportional to 5,766.88, 7,950 and 4,108

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Solution

The fourth proportional to 5,766.88, 7,950 and 4,108 is: 5,663.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,766.88 : 7,950 = 4,108 : x
  2. Step 2: Convert to fraction form
    5,766.88/7,950 = 4,108/x
  3. Step 3: Cross multiply
    5,766.88x = 7,950 × 4,108
  4. Step 4: Simplify right side
    5,766.88x = 32,658,600
  5. Step 5: Solve for x
    x = 32,658,600/5,766.88
  6. Step 6: Final answer
    x = 5,663.13

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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.