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Finding the Fourth Proportional to 22,152.40, 33,239.40 and 16,885.60

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Solution

The fourth proportional to 22,152.40, 33,239.40 and 16,885.60 is: 25,336.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,152.40 : 33,239.40 = 16,885.60 : x
  2. Step 2: Convert to fraction form
    22,152.40/33,239.40 = 16,885.60/x
  3. Step 3: Cross multiply
    22,152.40x = 33,239.40 × 16,885.60
  4. Step 4: Simplify right side
    22,152.40x = 561,267,212.64
  5. Step 5: Solve for x
    x = 561,267,212.64/22,152.40
  6. Step 6: Final answer
    x = 25,336.63

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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.