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Finding the Fourth Proportional to 22,693.88, 33,968.03 and 12,137.51

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Solution

The fourth proportional to 22,693.88, 33,968.03 and 12,137.51 is: 18,167.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,693.88 : 33,968.03 = 12,137.51 : x
  2. Step 2: Convert to fraction form
    22,693.88/33,968.03 = 12,137.51/x
  3. Step 3: Cross multiply
    22,693.88x = 33,968.03 × 12,137.51
  4. Step 4: Simplify right side
    22,693.88x = 412,287,073.28
  5. Step 5: Solve for x
    x = 412,287,073.28/22,693.88
  6. Step 6: Final answer
    x = 18,167.33

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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.