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Finding the Fourth Proportional to 17,956.19, 26,917.54 and 6,101.86

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Solution

The fourth proportional to 17,956.19, 26,917.54 and 6,101.86 is: 9,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,956.19 : 26,917.54 = 6,101.86 : x
  2. Step 2: Convert to fraction form
    17,956.19/26,917.54 = 6,101.86/x
  3. Step 3: Cross multiply
    17,956.19x = 26,917.54 × 6,101.86
  4. Step 4: Simplify right side
    17,956.19x = 164,246,978.08
  5. Step 5: Solve for x
    x = 164,246,978.08/17,956.19
  6. Step 6: Final answer
    x = 9,147.10

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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.