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Finding the Fourth Proportional to 8,866.41, 13,294.94 and 3,933.90

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Solution

The fourth proportional to 8,866.41, 13,294.94 and 3,933.90 is: 5,898.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.41 : 13,294.94 = 3,933.90 : x
  2. Step 2: Convert to fraction form
    8,866.41/13,294.94 = 3,933.90/x
  3. Step 3: Cross multiply
    8,866.41x = 13,294.94 × 3,933.90
  4. Step 4: Simplify right side
    8,866.41x = 52,300,944.80
  5. Step 5: Solve for x
    x = 52,300,944.80/8,866.41
  6. Step 6: Final answer
    x = 5,898.77

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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.