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Finding the Fourth Proportional to 27,351.31, 41,023.31 and 7,628.21

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Solution

The fourth proportional to 27,351.31, 41,023.31 and 7,628.21 is: 11,441.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,351.31 : 41,023.31 = 7,628.21 : x
  2. Step 2: Convert to fraction form
    27,351.31/41,023.31 = 7,628.21/x
  3. Step 3: Cross multiply
    27,351.31x = 41,023.31 × 7,628.21
  4. Step 4: Simplify right side
    27,351.31x = 312,934,423.58
  5. Step 5: Solve for x
    x = 312,934,423.58/27,351.31
  6. Step 6: Final answer
    x = 11,441.30

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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.