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Finding the Fourth Proportional to 21,866.01, 32,799.11 and 6,072.29

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Solution

The fourth proportional to 21,866.01, 32,799.11 and 6,072.29 is: 9,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,866.01 : 32,799.11 = 6,072.29 : x
  2. Step 2: Convert to fraction form
    21,866.01/32,799.11 = 6,072.29/x
  3. Step 3: Cross multiply
    21,866.01x = 32,799.11 × 6,072.29
  4. Step 4: Simplify right side
    21,866.01x = 199,165,513.30
  5. Step 5: Solve for x
    x = 199,165,513.30/21,866.01
  6. Step 6: Final answer
    x = 9,108.45

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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.