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Finding the Fourth Proportional to 21,662.10, 32,494.41 and 6,079.71

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Solution

The fourth proportional to 21,662.10, 32,494.41 and 6,079.71 is: 9,119.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,662.10 : 32,494.41 = 6,079.71 : x
  2. Step 2: Convert to fraction form
    21,662.10/32,494.41 = 6,079.71/x
  3. Step 3: Cross multiply
    21,662.10x = 32,494.41 × 6,079.71
  4. Step 4: Simplify right side
    21,662.10x = 197,556,589.42
  5. Step 5: Solve for x
    x = 197,556,589.42/21,662.10
  6. Step 6: Final answer
    x = 9,119.92

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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.