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Finding the Fourth Proportional to 15,961.59, 22,027.41 and 9,247.50

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Solution

The fourth proportional to 15,961.59, 22,027.41 and 9,247.50 is: 12,761.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,961.59 : 22,027.41 = 9,247.50 : x
  2. Step 2: Convert to fraction form
    15,961.59/22,027.41 = 9,247.50/x
  3. Step 3: Cross multiply
    15,961.59x = 22,027.41 × 9,247.50
  4. Step 4: Simplify right side
    15,961.59x = 203,698,473.98
  5. Step 5: Solve for x
    x = 203,698,473.98/15,961.59
  6. Step 6: Final answer
    x = 12,761.79

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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.