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Finding the Fourth Proportional to 22,540.66, 33,819.63 and 9,389.50

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Solution

The fourth proportional to 22,540.66, 33,819.63 and 9,389.50 is: 14,087.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,540.66 : 33,819.63 = 9,389.50 : x
  2. Step 2: Convert to fraction form
    22,540.66/33,819.63 = 9,389.50/x
  3. Step 3: Cross multiply
    22,540.66x = 33,819.63 × 9,389.50
  4. Step 4: Simplify right side
    22,540.66x = 317,549,415.89
  5. Step 5: Solve for x
    x = 317,549,415.89/22,540.66
  6. Step 6: Final answer
    x = 14,087.85

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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.