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Finding the Fourth Proportional to 29,902.60, 44,951.10 and 21,197.80

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Solution

The fourth proportional to 29,902.60, 44,951.10 and 21,197.80 is: 31,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,902.60 : 44,951.10 = 21,197.80 : x
  2. Step 2: Convert to fraction form
    29,902.60/44,951.10 = 21,197.80/x
  3. Step 3: Cross multiply
    29,902.60x = 44,951.10 × 21,197.80
  4. Step 4: Simplify right side
    29,902.60x = 952,864,427.58
  5. Step 5: Solve for x
    x = 952,864,427.58/29,902.60
  6. Step 6: Final answer
    x = 31,865.60

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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.