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Finding the Fourth Proportional to 22,001.90, 33,001.22 and 7,008.44

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Solution

The fourth proportional to 22,001.90, 33,001.22 and 7,008.44 is: 10,512.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,001.90 : 33,001.22 = 7,008.44 : x
  2. Step 2: Convert to fraction form
    22,001.90/33,001.22 = 7,008.44/x
  3. Step 3: Cross multiply
    22,001.90x = 33,001.22 × 7,008.44
  4. Step 4: Simplify right side
    22,001.90x = 231,286,870.25
  5. Step 5: Solve for x
    x = 231,286,870.25/22,001.90
  6. Step 6: Final answer
    x = 10,512.13

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1.5x scale

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.