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Finding the Fourth Proportional to 12,691.83, 19,049.04 and 6,036.54

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Solution

The fourth proportional to 12,691.83, 19,049.04 and 6,036.54 is: 9,060.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,691.83 : 19,049.04 = 6,036.54 : x
  2. Step 2: Convert to fraction form
    12,691.83/19,049.04 = 6,036.54/x
  3. Step 3: Cross multiply
    12,691.83x = 19,049.04 × 6,036.54
  4. Step 4: Simplify right side
    12,691.83x = 114,990,291.92
  5. Step 5: Solve for x
    x = 114,990,291.92/12,691.83
  6. Step 6: Final answer
    x = 9,060.18

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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.