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Finding the Fourth Proportional to 21,865.26, 32,797.92 and 9,377.22

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Solution

The fourth proportional to 21,865.26, 32,797.92 and 9,377.22 is: 14,065.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,865.26 : 32,797.92 = 9,377.22 : x
  2. Step 2: Convert to fraction form
    21,865.26/32,797.92 = 9,377.22/x
  3. Step 3: Cross multiply
    21,865.26x = 32,797.92 × 9,377.22
  4. Step 4: Simplify right side
    21,865.26x = 307,553,311.38
  5. Step 5: Solve for x
    x = 307,553,311.38/21,865.26
  6. Step 6: Final answer
    x = 14,065.84

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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.