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Finding the Fourth Proportional to 17,417.58, 26,080.02 and 11,881.86

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Solution

The fourth proportional to 17,417.58, 26,080.02 and 11,881.86 is: 17,791.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,417.58 : 26,080.02 = 11,881.86 : x
  2. Step 2: Convert to fraction form
    17,417.58/26,080.02 = 11,881.86/x
  3. Step 3: Cross multiply
    17,417.58x = 26,080.02 × 11,881.86
  4. Step 4: Simplify right side
    17,417.58x = 309,879,146.44
  5. Step 5: Solve for x
    x = 309,879,146.44/17,417.58
  6. Step 6: Final answer
    x = 17,791.17

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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.