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Finding the Fourth Proportional to 23,963.12, 35,951.64 and 9,920.56

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Solution

The fourth proportional to 23,963.12, 35,951.64 and 9,920.56 is: 14,883.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,963.12 : 35,951.64 = 9,920.56 : x
  2. Step 2: Convert to fraction form
    23,963.12/35,951.64 = 9,920.56/x
  3. Step 3: Cross multiply
    23,963.12x = 35,951.64 × 9,920.56
  4. Step 4: Simplify right side
    23,963.12x = 356,660,401.72
  5. Step 5: Solve for x
    x = 356,660,401.72/23,963.12
  6. Step 6: Final answer
    x = 14,883.72

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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.