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Finding the Fourth Proportional to 22,564.65, 33,844.26 and 11,479.32

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Solution

The fourth proportional to 22,564.65, 33,844.26 and 11,479.32 is: 17,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,564.65 : 33,844.26 = 11,479.32 : x
  2. Step 2: Convert to fraction form
    22,564.65/33,844.26 = 11,479.32/x
  3. Step 3: Cross multiply
    22,564.65x = 33,844.26 × 11,479.32
  4. Step 4: Simplify right side
    22,564.65x = 388,509,090.70
  5. Step 5: Solve for x
    x = 388,509,090.70/22,564.65
  6. Step 6: Final answer
    x = 17,217.60

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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.