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Finding the Fourth Proportional to 17,604.51, 26,406.99 and 5,917.74

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Solution

The fourth proportional to 17,604.51, 26,406.99 and 5,917.74 is: 8,876.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,604.51 : 26,406.99 = 5,917.74 : x
  2. Step 2: Convert to fraction form
    17,604.51/26,406.99 = 5,917.74/x
  3. Step 3: Cross multiply
    17,604.51x = 26,406.99 × 5,917.74
  4. Step 4: Simplify right side
    17,604.51x = 156,269,701.00
  5. Step 5: Solve for x
    x = 156,269,701.00/17,604.51
  6. Step 6: Final answer
    x = 8,876.69

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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.