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Finding the Fourth Proportional to 8,747.79, 12,064.51 and 5,914.41

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Solution

The fourth proportional to 8,747.79, 12,064.51 and 5,914.41 is: 8,156.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.79 : 12,064.51 = 5,914.41 : x
  2. Step 2: Convert to fraction form
    8,747.79/12,064.51 = 5,914.41/x
  3. Step 3: Cross multiply
    8,747.79x = 12,064.51 × 5,914.41
  4. Step 4: Simplify right side
    8,747.79x = 71,354,458.59
  5. Step 5: Solve for x
    x = 71,354,458.59/8,747.79
  6. Step 6: Final answer
    x = 8,156.86

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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.