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Finding the Fourth Proportional to 22,287.63, 33,408.99 and 13,973.49

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Solution

The fourth proportional to 22,287.63, 33,408.99 and 13,973.49 is: 20,946.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,287.63 : 33,408.99 = 13,973.49 : x
  2. Step 2: Convert to fraction form
    22,287.63/33,408.99 = 13,973.49/x
  3. Step 3: Cross multiply
    22,287.63x = 33,408.99 × 13,973.49
  4. Step 4: Simplify right side
    22,287.63x = 466,840,187.68
  5. Step 5: Solve for x
    x = 466,840,187.68/22,287.63
  6. Step 6: Final answer
    x = 20,946.16

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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.