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Finding the Fourth Proportional to 19,508.73, 26,922.03 and 11,012.64

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Solution

The fourth proportional to 19,508.73, 26,922.03 and 11,012.64 is: 15,197.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508.73 : 26,922.03 = 11,012.64 : x
  2. Step 2: Convert to fraction form
    19,508.73/26,922.03 = 11,012.64/x
  3. Step 3: Cross multiply
    19,508.73x = 26,922.03 × 11,012.64
  4. Step 4: Simplify right side
    19,508.73x = 296,482,624.46
  5. Step 5: Solve for x
    x = 296,482,624.46/19,508.73
  6. Step 6: Final answer
    x = 15,197.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.