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Finding the Fourth Proportional to 13,847.56, 20,754.06 and 6,924.04

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Solution

The fourth proportional to 13,847.56, 20,754.06 and 6,924.04 is: 10,377.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,847.56 : 20,754.06 = 6,924.04 : x
  2. Step 2: Convert to fraction form
    13,847.56/20,754.06 = 6,924.04/x
  3. Step 3: Cross multiply
    13,847.56x = 20,754.06 × 6,924.04
  4. Step 4: Simplify right side
    13,847.56x = 143,701,941.60
  5. Step 5: Solve for x
    x = 143,701,941.60/13,847.56
  6. Step 6: Final answer
    x = 10,377.42

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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.