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Finding the Fourth Proportional to 21,497.58, 32,238.70 and 8,843.64

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Solution

The fourth proportional to 21,497.58, 32,238.70 and 8,843.64 is: 13,262.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,497.58 : 32,238.70 = 8,843.64 : x
  2. Step 2: Convert to fraction form
    21,497.58/32,238.70 = 8,843.64/x
  3. Step 3: Cross multiply
    21,497.58x = 32,238.70 × 8,843.64
  4. Step 4: Simplify right side
    21,497.58x = 285,107,520.08
  5. Step 5: Solve for x
    x = 285,107,520.08/21,497.58
  6. Step 6: Final answer
    x = 13,262.31

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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.