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Finding the Fourth Proportional to 22,296.68, 33,415.68 and 12,440.60

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Solution

The fourth proportional to 22,296.68, 33,415.68 and 12,440.60 is: 18,644.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,296.68 : 33,415.68 = 12,440.60 : x
  2. Step 2: Convert to fraction form
    22,296.68/33,415.68 = 12,440.60/x
  3. Step 3: Cross multiply
    22,296.68x = 33,415.68 × 12,440.60
  4. Step 4: Simplify right side
    22,296.68x = 415,711,108.61
  5. Step 5: Solve for x
    x = 415,711,108.61/22,296.68
  6. Step 6: Final answer
    x = 18,644.53

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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.