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Finding the Fourth Proportional to 13,496.05, 20,244.08 and 6,918.04

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Solution

The fourth proportional to 13,496.05, 20,244.08 and 6,918.04 is: 10,377.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.05 : 20,244.08 = 6,918.04 : x
  2. Step 2: Convert to fraction form
    13,496.05/20,244.08 = 6,918.04/x
  3. Step 3: Cross multiply
    13,496.05x = 20,244.08 × 6,918.04
  4. Step 4: Simplify right side
    13,496.05x = 140,049,358.89
  5. Step 5: Solve for x
    x = 140,049,358.89/13,496.05
  6. Step 6: Final answer
    x = 10,377.06

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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.