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Finding the Fourth Proportional to 22,615.96, 33,891.02 and 10,915.48

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Solution

The fourth proportional to 22,615.96, 33,891.02 and 10,915.48 is: 16,357.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,615.96 : 33,891.02 = 10,915.48 : x
  2. Step 2: Convert to fraction form
    22,615.96/33,891.02 = 10,915.48/x
  3. Step 3: Cross multiply
    22,615.96x = 33,891.02 × 10,915.48
  4. Step 4: Simplify right side
    22,615.96x = 369,936,750.99
  5. Step 5: Solve for x
    x = 369,936,750.99/22,615.96
  6. Step 6: Final answer
    x = 16,357.33

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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.