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Finding the Fourth Proportional to 16,701.78, 25,054.97 and 5,611.64

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Solution

The fourth proportional to 16,701.78, 25,054.97 and 5,611.64 is: 8,418.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,701.78 : 25,054.97 = 5,611.64 : x
  2. Step 2: Convert to fraction form
    16,701.78/25,054.97 = 5,611.64/x
  3. Step 3: Cross multiply
    16,701.78x = 25,054.97 × 5,611.64
  4. Step 4: Simplify right side
    16,701.78x = 140,599,346.58
  5. Step 5: Solve for x
    x = 140,599,346.58/16,701.78
  6. Step 6: Final answer
    x = 8,418.23

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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.