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Finding the Fourth Proportional to 22,129.59, 33,200.54 and 9,650.71

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Solution

The fourth proportional to 22,129.59, 33,200.54 and 9,650.71 is: 14,478.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,129.59 : 33,200.54 = 9,650.71 : x
  2. Step 2: Convert to fraction form
    22,129.59/33,200.54 = 9,650.71/x
  3. Step 3: Cross multiply
    22,129.59x = 33,200.54 × 9,650.71
  4. Step 4: Simplify right side
    22,129.59x = 320,408,783.38
  5. Step 5: Solve for x
    x = 320,408,783.38/22,129.59
  6. Step 6: Final answer
    x = 14,478.75

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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.