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Finding the Fourth Proportional to 21,815.26, 32,722.89 and 6,232.89

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Solution

The fourth proportional to 21,815.26, 32,722.89 and 6,232.89 is: 9,349.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,815.26 : 32,722.89 = 6,232.89 : x
  2. Step 2: Convert to fraction form
    21,815.26/32,722.89 = 6,232.89/x
  3. Step 3: Cross multiply
    21,815.26x = 32,722.89 × 6,232.89
  4. Step 4: Simplify right side
    21,815.26x = 203,957,979.07
  5. Step 5: Solve for x
    x = 203,957,979.07/21,815.26
  6. Step 6: Final answer
    x = 9,349.33

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Similar ratio
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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.