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Finding the Fourth Proportional to 18,777.54, 25,961.64 and 17,951.34

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Solution

The fourth proportional to 18,777.54, 25,961.64 and 17,951.34 is: 24,819.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,777.54 : 25,961.64 = 17,951.34 : x
  2. Step 2: Convert to fraction form
    18,777.54/25,961.64 = 17,951.34/x
  3. Step 3: Cross multiply
    18,777.54x = 25,961.64 × 17,951.34
  4. Step 4: Simplify right side
    18,777.54x = 466,046,226.60
  5. Step 5: Solve for x
    x = 466,046,226.60/18,777.54
  6. Step 6: Final answer
    x = 24,819.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.