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Finding the Fourth Proportional to 28,748.44, 43,122.30 and 10,028.44

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Solution

The fourth proportional to 28,748.44, 43,122.30 and 10,028.44 is: 15,042.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,748.44 : 43,122.30 = 10,028.44 : x
  2. Step 2: Convert to fraction form
    28,748.44/43,122.30 = 10,028.44/x
  3. Step 3: Cross multiply
    28,748.44x = 43,122.30 × 10,028.44
  4. Step 4: Simplify right side
    28,748.44x = 432,449,398.21
  5. Step 5: Solve for x
    x = 432,449,398.21/28,748.44
  6. Step 6: Final answer
    x = 15,042.53

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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.