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Finding the Fourth Proportional to 63,055, 94,572.78 and 20,953.36

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Solution

The fourth proportional to 63,055, 94,572.78 and 20,953.36 is: 31,426.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,055 : 94,572.78 = 20,953.36 : x
  2. Step 2: Convert to fraction form
    63,055/94,572.78 = 20,953.36/x
  3. Step 3: Cross multiply
    63,055x = 94,572.78 × 20,953.36
  4. Step 4: Simplify right side
    63,055x = 1,981,617,505.54
  5. Step 5: Solve for x
    x = 1,981,617,505.54/63,055
  6. Step 6: Final answer
    x = 31,426.81

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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.