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Finding the Fourth Proportional to 15,216.82, 22,825.22 and 5,730.92

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Solution

The fourth proportional to 15,216.82, 22,825.22 and 5,730.92 is: 8,596.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,216.82 : 22,825.22 = 5,730.92 : x
  2. Step 2: Convert to fraction form
    15,216.82/22,825.22 = 5,730.92/x
  3. Step 3: Cross multiply
    15,216.82x = 22,825.22 × 5,730.92
  4. Step 4: Simplify right side
    15,216.82x = 130,809,481.15
  5. Step 5: Solve for x
    x = 130,809,481.15/15,216.82
  6. Step 6: Final answer
    x = 8,596.38

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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.