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Finding the Fourth Proportional to 22,609.28, 33,915.45 and 7,819.34

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Solution

The fourth proportional to 22,609.28, 33,915.45 and 7,819.34 is: 11,729.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,609.28 : 33,915.45 = 7,819.34 : x
  2. Step 2: Convert to fraction form
    22,609.28/33,915.45 = 7,819.34/x
  3. Step 3: Cross multiply
    22,609.28x = 33,915.45 × 7,819.34
  4. Step 4: Simplify right side
    22,609.28x = 265,196,265.23
  5. Step 5: Solve for x
    x = 265,196,265.23/22,609.28
  6. Step 6: Final answer
    x = 11,729.53

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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.