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Finding the Fourth Proportional to 22,064.77, 33,113.55 and 8,917.26

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Solution

The fourth proportional to 22,064.77, 33,113.55 and 8,917.26 is: 13,382.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,064.77 : 33,113.55 = 8,917.26 : x
  2. Step 2: Convert to fraction form
    22,064.77/33,113.55 = 8,917.26/x
  3. Step 3: Cross multiply
    22,064.77x = 33,113.55 × 8,917.26
  4. Step 4: Simplify right side
    22,064.77x = 295,282,134.87
  5. Step 5: Solve for x
    x = 295,282,134.87/22,064.77
  6. Step 6: Final answer
    x = 13,382.52

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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.