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Finding the Fourth Proportional to 33,572.97, 50,326.65 and 13,865.31

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Solution

The fourth proportional to 33,572.97, 50,326.65 and 13,865.31 is: 20,784.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,572.97 : 50,326.65 = 13,865.31 : x
  2. Step 2: Convert to fraction form
    33,572.97/50,326.65 = 13,865.31/x
  3. Step 3: Cross multiply
    33,572.97x = 50,326.65 × 13,865.31
  4. Step 4: Simplify right side
    33,572.97x = 697,794,603.51
  5. Step 5: Solve for x
    x = 697,794,603.51/33,572.97
  6. Step 6: Final answer
    x = 20,784.42

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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.