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Finding the Fourth Proportional to 22,200, 33,322.80 and 17,322.96

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Solution

The fourth proportional to 22,200, 33,322.80 and 17,322.96 is: 26,002.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,200 : 33,322.80 = 17,322.96 : x
  2. Step 2: Convert to fraction form
    22,200/33,322.80 = 17,322.96/x
  3. Step 3: Cross multiply
    22,200x = 33,322.80 × 17,322.96
  4. Step 4: Simplify right side
    22,200x = 577,249,531.49
  5. Step 5: Solve for x
    x = 577,249,531.49/22,200
  6. Step 6: Final answer
    x = 26,002.23

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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.