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Finding the Fourth Proportional to 22,422.85, 33,642.03 and 9,951.61

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Solution

The fourth proportional to 22,422.85, 33,642.03 and 9,951.61 is: 14,930.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,422.85 : 33,642.03 = 9,951.61 : x
  2. Step 2: Convert to fraction form
    22,422.85/33,642.03 = 9,951.61/x
  3. Step 3: Cross multiply
    22,422.85x = 33,642.03 × 9,951.61
  4. Step 4: Simplify right side
    22,422.85x = 334,792,378.46
  5. Step 5: Solve for x
    x = 334,792,378.46/22,422.85
  6. Step 6: Final answer
    x = 14,930.86

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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.