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Finding the Fourth Proportional to 38,525.20, 57,796.20 and 21,893.20

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Solution

The fourth proportional to 38,525.20, 57,796.20 and 21,893.20 is: 32,844.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,525.20 : 57,796.20 = 21,893.20 : x
  2. Step 2: Convert to fraction form
    38,525.20/57,796.20 = 21,893.20/x
  3. Step 3: Cross multiply
    38,525.20x = 57,796.20 × 21,893.20
  4. Step 4: Simplify right side
    38,525.20x = 1,265,343,765.84
  5. Step 5: Solve for x
    x = 1,265,343,765.84/38,525.20
  6. Step 6: Final answer
    x = 32,844.57

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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.