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Finding the Fourth Proportional to 11,695.98, 17,543.54 and 2,930.96

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Solution

The fourth proportional to 11,695.98, 17,543.54 and 2,930.96 is: 4,396.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,695.98 : 17,543.54 = 2,930.96 : x
  2. Step 2: Convert to fraction form
    11,695.98/17,543.54 = 2,930.96/x
  3. Step 3: Cross multiply
    11,695.98x = 17,543.54 × 2,930.96
  4. Step 4: Simplify right side
    11,695.98x = 51,419,414.00
  5. Step 5: Solve for x
    x = 51,419,414.00/11,695.98
  6. Step 6: Final answer
    x = 4,396.33

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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.