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Finding the Fourth Proportional to 11,859.15, 17,788.73 and 4,465.27

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Solution

The fourth proportional to 11,859.15, 17,788.73 and 4,465.27 is: 6,697.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,859.15 : 17,788.73 = 4,465.27 : x
  2. Step 2: Convert to fraction form
    11,859.15/17,788.73 = 4,465.27/x
  3. Step 3: Cross multiply
    11,859.15x = 17,788.73 × 4,465.27
  4. Step 4: Simplify right side
    11,859.15x = 79,431,460.08
  5. Step 5: Solve for x
    x = 79,431,460.08/11,859.15
  6. Step 6: Final answer
    x = 6,697.91

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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.