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Finding the Fourth Proportional to 22,385.74, 33,590.37 and 9,914.38

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Solution

The fourth proportional to 22,385.74, 33,590.37 and 9,914.38 is: 14,876.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,385.74 : 33,590.37 = 9,914.38 : x
  2. Step 2: Convert to fraction form
    22,385.74/33,590.37 = 9,914.38/x
  3. Step 3: Cross multiply
    22,385.74x = 33,590.37 × 9,914.38
  4. Step 4: Simplify right side
    22,385.74x = 333,027,692.52
  5. Step 5: Solve for x
    x = 333,027,692.52/22,385.74
  6. Step 6: Final answer
    x = 14,876.78

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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.