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Finding the Fourth Proportional to 17,296.61, 25,919.66 and 7,667.86

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Solution

The fourth proportional to 17,296.61, 25,919.66 and 7,667.86 is: 11,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,296.61 : 25,919.66 = 7,667.86 : x
  2. Step 2: Convert to fraction form
    17,296.61/25,919.66 = 7,667.86/x
  3. Step 3: Cross multiply
    17,296.61x = 25,919.66 × 7,667.86
  4. Step 4: Simplify right side
    17,296.61x = 198,748,324.13
  5. Step 5: Solve for x
    x = 198,748,324.13/17,296.61
  6. Step 6: Final answer
    x = 11,490.60

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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.