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Finding the Fourth Proportional to 5,941.75, 8,909.54 and 2,778.64

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Solution

The fourth proportional to 5,941.75, 8,909.54 and 2,778.64 is: 4,166.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,941.75 : 8,909.54 = 2,778.64 : x
  2. Step 2: Convert to fraction form
    5,941.75/8,909.54 = 2,778.64/x
  3. Step 3: Cross multiply
    5,941.75x = 8,909.54 × 2,778.64
  4. Step 4: Simplify right side
    5,941.75x = 24,756,404.23
  5. Step 5: Solve for x
    x = 24,756,404.23/5,941.75
  6. Step 6: Final answer
    x = 4,166.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.