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Finding the Fourth Proportional to 22,442.90, 33,664.29 and 6,860.52

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Solution

The fourth proportional to 22,442.90, 33,664.29 and 6,860.52 is: 10,290.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,442.90 : 33,664.29 = 6,860.52 : x
  2. Step 2: Convert to fraction form
    22,442.90/33,664.29 = 6,860.52/x
  3. Step 3: Cross multiply
    22,442.90x = 33,664.29 × 6,860.52
  4. Step 4: Simplify right side
    22,442.90x = 230,954,534.83
  5. Step 5: Solve for x
    x = 230,954,534.83/22,442.90
  6. Step 6: Final answer
    x = 10,290.76

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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.