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Finding the Fourth Proportional to 22,001, 30,375.10 and 15,284.36

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Solution

The fourth proportional to 22,001, 30,375.10 and 15,284.36 is: 21,101.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,001 : 30,375.10 = 15,284.36 : x
  2. Step 2: Convert to fraction form
    22,001/30,375.10 = 15,284.36/x
  3. Step 3: Cross multiply
    22,001x = 30,375.10 × 15,284.36
  4. Step 4: Simplify right side
    22,001x = 464,263,963.44
  5. Step 5: Solve for x
    x = 464,263,963.44/22,001
  6. Step 6: Final answer
    x = 21,101.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.