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Finding the Fourth Proportional to 38,327.60, 57,496.80 and 12,029.60

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Solution

The fourth proportional to 38,327.60, 57,496.80 and 12,029.60 is: 18,046.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,327.60 : 57,496.80 = 12,029.60 : x
  2. Step 2: Convert to fraction form
    38,327.60/57,496.80 = 12,029.60/x
  3. Step 3: Cross multiply
    38,327.60x = 57,496.80 × 12,029.60
  4. Step 4: Simplify right side
    38,327.60x = 691,663,505.28
  5. Step 5: Solve for x
    x = 691,663,505.28/38,327.60
  6. Step 6: Final answer
    x = 18,046.09

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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.