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Finding the Fourth Proportional to 67,060.83, 100,606.81 and 19,674

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Solution

The fourth proportional to 67,060.83, 100,606.81 and 19,674 is: 29,515.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,060.83 : 100,606.81 = 19,674 : x
  2. Step 2: Convert to fraction form
    67,060.83/100,606.81 = 19,674/x
  3. Step 3: Cross multiply
    67,060.83x = 100,606.81 × 19,674
  4. Step 4: Simplify right side
    67,060.83x = 1,979,338,379.94
  5. Step 5: Solve for x
    x = 1,979,338,379.94/67,060.83
  6. Step 6: Final answer
    x = 29,515.57

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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.