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Finding the Fourth Proportional to 52,307.78, 72,183.22 and 29,648.86

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Solution

The fourth proportional to 52,307.78, 72,183.22 and 29,648.86 is: 40,914.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,307.78 : 72,183.22 = 29,648.86 : x
  2. Step 2: Convert to fraction form
    52,307.78/72,183.22 = 29,648.86/x
  3. Step 3: Cross multiply
    52,307.78x = 72,183.22 × 29,648.86
  4. Step 4: Simplify right side
    52,307.78x = 2,140,149,929.55
  5. Step 5: Solve for x
    x = 2,140,149,929.55/52,307.78
  6. Step 6: Final answer
    x = 40,914.56

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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.