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Finding the Fourth Proportional to 23,590.44, 32,551.92 and 12,979.44

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Solution

The fourth proportional to 23,590.44, 32,551.92 and 12,979.44 is: 17,910.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,590.44 : 32,551.92 = 12,979.44 : x
  2. Step 2: Convert to fraction form
    23,590.44/32,551.92 = 12,979.44/x
  3. Step 3: Cross multiply
    23,590.44x = 32,551.92 × 12,979.44
  4. Step 4: Simplify right side
    23,590.44x = 422,505,692.52
  5. Step 5: Solve for x
    x = 422,505,692.52/23,590.44
  6. Step 6: Final answer
    x = 17,910.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.