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Finding the Fourth Proportional to 29,679.39, 44,519.12 and 13,902.14

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Solution

The fourth proportional to 29,679.39, 44,519.12 and 13,902.14 is: 20,853.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,679.39 : 44,519.12 = 13,902.14 : x
  2. Step 2: Convert to fraction form
    29,679.39/44,519.12 = 13,902.14/x
  3. Step 3: Cross multiply
    29,679.39x = 44,519.12 × 13,902.14
  4. Step 4: Simplify right side
    29,679.39x = 618,910,746.81
  5. Step 5: Solve for x
    x = 618,910,746.81/29,679.39
  6. Step 6: Final answer
    x = 20,853.22

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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.