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Finding the Fourth Proportional to 21,753.32, 32,634.78 and 6,963.44

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Solution

The fourth proportional to 21,753.32, 32,634.78 and 6,963.44 is: 10,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,753.32 : 32,634.78 = 6,963.44 : x
  2. Step 2: Convert to fraction form
    21,753.32/32,634.78 = 6,963.44/x
  3. Step 3: Cross multiply
    21,753.32x = 32,634.78 × 6,963.44
  4. Step 4: Simplify right side
    21,753.32x = 227,250,332.44
  5. Step 5: Solve for x
    x = 227,250,332.44/21,753.32
  6. Step 6: Final answer
    x = 10,446.70

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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.