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Finding the Fourth Proportional to 22,487.01, 33,724.37 and 8,445.96

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Solution

The fourth proportional to 22,487.01, 33,724.37 and 8,445.96 is: 12,666.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,487.01 : 33,724.37 = 8,445.96 : x
  2. Step 2: Convert to fraction form
    22,487.01/33,724.37 = 8,445.96/x
  3. Step 3: Cross multiply
    22,487.01x = 33,724.37 × 8,445.96
  4. Step 4: Simplify right side
    22,487.01x = 284,834,637.82
  5. Step 5: Solve for x
    x = 284,834,637.82/22,487.01
  6. Step 6: Final answer
    x = 12,666.63

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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.