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Finding the Fourth Proportional to 21,847, 32,770.45 and 6,264.63

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Solution

The fourth proportional to 21,847, 32,770.45 and 6,264.63 is: 9,396.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,847 : 32,770.45 = 6,264.63 : x
  2. Step 2: Convert to fraction form
    21,847/32,770.45 = 6,264.63/x
  3. Step 3: Cross multiply
    21,847x = 32,770.45 × 6,264.63
  4. Step 4: Simplify right side
    21,847x = 205,294,744.18
  5. Step 5: Solve for x
    x = 205,294,744.18/21,847
  6. Step 6: Final answer
    x = 9,396.93

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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.