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Finding the Fourth Proportional to 15,959.44, 22,027.91 and 9,243.99

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Solution

The fourth proportional to 15,959.44, 22,027.91 and 9,243.99 is: 12,758.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.44 : 22,027.91 = 9,243.99 : x
  2. Step 2: Convert to fraction form
    15,959.44/22,027.91 = 9,243.99/x
  3. Step 3: Cross multiply
    15,959.44x = 22,027.91 × 9,243.99
  4. Step 4: Simplify right side
    15,959.44x = 203,625,733.54
  5. Step 5: Solve for x
    x = 203,625,733.54/15,959.44
  6. Step 6: Final answer
    x = 12,758.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.