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Finding the Fourth Proportional to 63,843.66, 95,776.92 and 21,721.62

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Solution

The fourth proportional to 63,843.66, 95,776.92 and 21,721.62 is: 32,586.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,843.66 : 95,776.92 = 21,721.62 : x
  2. Step 2: Convert to fraction form
    63,843.66/95,776.92 = 21,721.62/x
  3. Step 3: Cross multiply
    63,843.66x = 95,776.92 × 21,721.62
  4. Step 4: Simplify right side
    63,843.66x = 2,080,429,861.01
  5. Step 5: Solve for x
    x = 2,080,429,861.01/63,843.66
  6. Step 6: Final answer
    x = 32,586.32

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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.