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Finding the Fourth Proportional to 14,713.39, 22,079.81 and 6,922.81

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Solution

The fourth proportional to 14,713.39, 22,079.81 and 6,922.81 is: 10,388.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,713.39 : 22,079.81 = 6,922.81 : x
  2. Step 2: Convert to fraction form
    14,713.39/22,079.81 = 6,922.81/x
  3. Step 3: Cross multiply
    14,713.39x = 22,079.81 × 6,922.81
  4. Step 4: Simplify right side
    14,713.39x = 152,854,294.85
  5. Step 5: Solve for x
    x = 152,854,294.85/14,713.39
  6. Step 6: Final answer
    x = 10,388.79

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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.