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Finding the Fourth Proportional to 21,873.26, 32,814.21 and 8,022.38

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Solution

The fourth proportional to 21,873.26, 32,814.21 and 8,022.38 is: 12,035.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,873.26 : 32,814.21 = 8,022.38 : x
  2. Step 2: Convert to fraction form
    21,873.26/32,814.21 = 8,022.38/x
  3. Step 3: Cross multiply
    21,873.26x = 32,814.21 × 8,022.38
  4. Step 4: Simplify right side
    21,873.26x = 263,248,062.02
  5. Step 5: Solve for x
    x = 263,248,062.02/21,873.26
  6. Step 6: Final answer
    x = 12,035.15

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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.