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Finding the Fourth Proportional to 22,407.66, 33,603.65 and 6,608.50

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Solution

The fourth proportional to 22,407.66, 33,603.65 and 6,608.50 is: 9,910.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,407.66 : 33,603.65 = 6,608.50 : x
  2. Step 2: Convert to fraction form
    22,407.66/33,603.65 = 6,608.50/x
  3. Step 3: Cross multiply
    22,407.66x = 33,603.65 × 6,608.50
  4. Step 4: Simplify right side
    22,407.66x = 222,069,641.15
  5. Step 5: Solve for x
    x = 222,069,641.15/22,407.66
  6. Step 6: Final answer
    x = 9,910.43

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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.