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Finding the Fourth Proportional to 22,295.93, 30,789.20 and 14,351.94

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Solution

The fourth proportional to 22,295.93, 30,789.20 and 14,351.94 is: 19,819.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,295.93 : 30,789.20 = 14,351.94 : x
  2. Step 2: Convert to fraction form
    22,295.93/30,789.20 = 14,351.94/x
  3. Step 3: Cross multiply
    22,295.93x = 30,789.20 × 14,351.94
  4. Step 4: Simplify right side
    22,295.93x = 441,884,786.93
  5. Step 5: Solve for x
    x = 441,884,786.93/22,295.93
  6. Step 6: Final answer
    x = 19,819.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.