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Finding the Fourth Proportional to 11,868, 17,805.04 and 4,472.52

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Solution

The fourth proportional to 11,868, 17,805.04 and 4,472.52 is: 6,709.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868 : 17,805.04 = 4,472.52 : x
  2. Step 2: Convert to fraction form
    11,868/17,805.04 = 4,472.52/x
  3. Step 3: Cross multiply
    11,868x = 17,805.04 × 4,472.52
  4. Step 4: Simplify right side
    11,868x = 79,633,397.50
  5. Step 5: Solve for x
    x = 79,633,397.50/11,868
  6. Step 6: Final answer
    x = 6,709.93

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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.