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Finding the Fourth Proportional to 27,230.60, 40,845.90 and 11,649.80

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Solution

The fourth proportional to 27,230.60, 40,845.90 and 11,649.80 is: 17,474.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,230.60 : 40,845.90 = 11,649.80 : x
  2. Step 2: Convert to fraction form
    27,230.60/40,845.90 = 11,649.80/x
  3. Step 3: Cross multiply
    27,230.60x = 40,845.90 × 11,649.80
  4. Step 4: Simplify right side
    27,230.60x = 475,846,565.82
  5. Step 5: Solve for x
    x = 475,846,565.82/27,230.60
  6. Step 6: Final answer
    x = 17,474.70

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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.