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Finding the Fourth Proportional to 38,164.80, 57,247.60 and 10,462.80

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Solution

The fourth proportional to 38,164.80, 57,247.60 and 10,462.80 is: 15,694.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,164.80 : 57,247.60 = 10,462.80 : x
  2. Step 2: Convert to fraction form
    38,164.80/57,247.60 = 10,462.80/x
  3. Step 3: Cross multiply
    38,164.80x = 57,247.60 × 10,462.80
  4. Step 4: Simplify right side
    38,164.80x = 598,970,189.28
  5. Step 5: Solve for x
    x = 598,970,189.28/38,164.80
  6. Step 6: Final answer
    x = 15,694.31

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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.