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Finding the Fourth Proportional to 13,863.98, 20,796.06 and 5,544.70

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Solution

The fourth proportional to 13,863.98, 20,796.06 and 5,544.70 is: 8,317.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863.98 : 20,796.06 = 5,544.70 : x
  2. Step 2: Convert to fraction form
    13,863.98/20,796.06 = 5,544.70/x
  3. Step 3: Cross multiply
    13,863.98x = 20,796.06 × 5,544.70
  4. Step 4: Simplify right side
    13,863.98x = 115,307,913.88
  5. Step 5: Solve for x
    x = 115,307,913.88/13,863.98
  6. Step 6: Final answer
    x = 8,317.09

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1.5x scale

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.