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Finding the Fourth Proportional to 22,575.39, 33,883.88 and 11,490

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Solution

The fourth proportional to 22,575.39, 33,883.88 and 11,490 is: 17,245.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,575.39 : 33,883.88 = 11,490 : x
  2. Step 2: Convert to fraction form
    22,575.39/33,883.88 = 11,490/x
  3. Step 3: Cross multiply
    22,575.39x = 33,883.88 × 11,490
  4. Step 4: Simplify right side
    22,575.39x = 389,325,723.75
  5. Step 5: Solve for x
    x = 389,325,723.75/22,575.39
  6. Step 6: Final answer
    x = 17,245.58

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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.