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Finding the Fourth Proportional to 17,068.60, 25,602.90 and 11,163.70

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Solution

The fourth proportional to 17,068.60, 25,602.90 and 11,163.70 is: 16,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,068.60 : 25,602.90 = 11,163.70 : x
  2. Step 2: Convert to fraction form
    17,068.60/25,602.90 = 11,163.70/x
  3. Step 3: Cross multiply
    17,068.60x = 25,602.90 × 11,163.70
  4. Step 4: Simplify right side
    17,068.60x = 285,823,094.73
  5. Step 5: Solve for x
    x = 285,823,094.73/17,068.60
  6. Step 6: Final answer
    x = 16,745.55

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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.