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Finding the Fourth Proportional to 21,754.56, 32,631 and 6,963.06

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Solution

The fourth proportional to 21,754.56, 32,631 and 6,963.06 is: 10,444.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,754.56 : 32,631 = 6,963.06 : x
  2. Step 2: Convert to fraction form
    21,754.56/32,631 = 6,963.06/x
  3. Step 3: Cross multiply
    21,754.56x = 32,631 × 6,963.06
  4. Step 4: Simplify right side
    21,754.56x = 227,211,610.86
  5. Step 5: Solve for x
    x = 227,211,610.86/21,754.56
  6. Step 6: Final answer
    x = 10,444.32

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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.