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Finding the Fourth Proportional to 22,620.98, 33,915.06 and 15,207.05

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Solution

The fourth proportional to 22,620.98, 33,915.06 and 15,207.05 is: 22,799.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,620.98 : 33,915.06 = 15,207.05 : x
  2. Step 2: Convert to fraction form
    22,620.98/33,915.06 = 15,207.05/x
  3. Step 3: Cross multiply
    22,620.98x = 33,915.06 × 15,207.05
  4. Step 4: Simplify right side
    22,620.98x = 515,748,013.17
  5. Step 5: Solve for x
    x = 515,748,013.17/22,620.98
  6. Step 6: Final answer
    x = 22,799.54

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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.