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Finding the Fourth Proportional to 28,694.56, 43,050.48 and 10,228

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Solution

The fourth proportional to 28,694.56, 43,050.48 and 10,228 is: 15,345.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,694.56 : 43,050.48 = 10,228 : x
  2. Step 2: Convert to fraction form
    28,694.56/43,050.48 = 10,228/x
  3. Step 3: Cross multiply
    28,694.56x = 43,050.48 × 10,228
  4. Step 4: Simplify right side
    28,694.56x = 440,320,309.44
  5. Step 5: Solve for x
    x = 440,320,309.44/28,694.56
  6. Step 6: Final answer
    x = 15,345.08

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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.