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Finding the Fourth Proportional to 11,609.93, 17,415.82 and 6,961.66

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Solution

The fourth proportional to 11,609.93, 17,415.82 and 6,961.66 is: 10,443.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,609.93 : 17,415.82 = 6,961.66 : x
  2. Step 2: Convert to fraction form
    11,609.93/17,415.82 = 6,961.66/x
  3. Step 3: Cross multiply
    11,609.93x = 17,415.82 × 6,961.66
  4. Step 4: Simplify right side
    11,609.93x = 121,243,017.46
  5. Step 5: Solve for x
    x = 121,243,017.46/11,609.93
  6. Step 6: Final answer
    x = 10,443.04

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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.