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Finding the Fourth Proportional to 53,634.40, 80,480.40 and 22,472.80

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Solution

The fourth proportional to 53,634.40, 80,480.40 and 22,472.80 is: 33,721.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,634.40 : 80,480.40 = 22,472.80 : x
  2. Step 2: Convert to fraction form
    53,634.40/80,480.40 = 22,472.80/x
  3. Step 3: Cross multiply
    53,634.40x = 80,480.40 × 22,472.80
  4. Step 4: Simplify right side
    53,634.40x = 1,808,619,933.12
  5. Step 5: Solve for x
    x = 1,808,619,933.12/53,634.40
  6. Step 6: Final answer
    x = 33,721.27

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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.