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Finding the Fourth Proportional to 11,682.36, 17,523.34 and 2,917.16

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Solution

The fourth proportional to 11,682.36, 17,523.34 and 2,917.16 is: 4,375.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.36 : 17,523.34 = 2,917.16 : x
  2. Step 2: Convert to fraction form
    11,682.36/17,523.34 = 2,917.16/x
  3. Step 3: Cross multiply
    11,682.36x = 17,523.34 × 2,917.16
  4. Step 4: Simplify right side
    11,682.36x = 51,118,386.51
  5. Step 5: Solve for x
    x = 51,118,386.51/11,682.36
  6. Step 6: Final answer
    x = 4,375.69

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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.