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Finding the Fourth Proportional to 22,442.31, 33,663.47 and 6,859.94

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Solution

The fourth proportional to 22,442.31, 33,663.47 and 6,859.94 is: 10,289.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,442.31 : 33,663.47 = 6,859.94 : x
  2. Step 2: Convert to fraction form
    22,442.31/33,663.47 = 6,859.94/x
  3. Step 3: Cross multiply
    22,442.31x = 33,663.47 × 6,859.94
  4. Step 4: Simplify right side
    22,442.31x = 230,929,181.77
  5. Step 5: Solve for x
    x = 230,929,181.77/22,442.31
  6. Step 6: Final answer
    x = 10,289.90

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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.