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Finding the Fourth Proportional to 8,847.41, 13,266.63 and 3,918.56

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Solution

The fourth proportional to 8,847.41, 13,266.63 and 3,918.56 is: 5,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,847.41 : 13,266.63 = 3,918.56 : x
  2. Step 2: Convert to fraction form
    8,847.41/13,266.63 = 3,918.56/x
  3. Step 3: Cross multiply
    8,847.41x = 13,266.63 × 3,918.56
  4. Step 4: Simplify right side
    8,847.41x = 51,986,019.32
  5. Step 5: Solve for x
    x = 51,986,019.32/8,847.41
  6. Step 6: Final answer
    x = 5,875.85

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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.