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Finding the Fourth Proportional to 8,940.37, 12,337.59 and 4,961.47

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Solution

The fourth proportional to 8,940.37, 12,337.59 and 4,961.47 is: 6,846.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.37 : 12,337.59 = 4,961.47 : x
  2. Step 2: Convert to fraction form
    8,940.37/12,337.59 = 4,961.47/x
  3. Step 3: Cross multiply
    8,940.37x = 12,337.59 × 4,961.47
  4. Step 4: Simplify right side
    8,940.37x = 61,212,582.66
  5. Step 5: Solve for x
    x = 61,212,582.66/8,940.37
  6. Step 6: Final answer
    x = 6,846.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.