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Finding the Fourth Proportional to 22,619.52, 33,951.24 and 13,871.52

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Solution

The fourth proportional to 22,619.52, 33,951.24 and 13,871.52 is: 20,820.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,619.52 : 33,951.24 = 13,871.52 : x
  2. Step 2: Convert to fraction form
    22,619.52/33,951.24 = 13,871.52/x
  3. Step 3: Cross multiply
    22,619.52x = 33,951.24 × 13,871.52
  4. Step 4: Simplify right side
    22,619.52x = 470,955,304.68
  5. Step 5: Solve for x
    x = 470,955,304.68/22,619.52
  6. Step 6: Final answer
    x = 20,820.75

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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.