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Finding the Fourth Proportional to 8,929.86, 12,322.89 and 4,951.37

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Solution

The fourth proportional to 8,929.86, 12,322.89 and 4,951.37 is: 6,832.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.86 : 12,322.89 = 4,951.37 : x
  2. Step 2: Convert to fraction form
    8,929.86/12,322.89 = 4,951.37/x
  3. Step 3: Cross multiply
    8,929.86x = 12,322.89 × 4,951.37
  4. Step 4: Simplify right side
    8,929.86x = 61,015,126.24
  5. Step 5: Solve for x
    x = 61,015,126.24/8,929.86
  6. Step 6: Final answer
    x = 6,832.71

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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.