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Finding the Fourth Proportional to 14,299.92, 21,447 and 4,436.82

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Solution

The fourth proportional to 14,299.92, 21,447 and 4,436.82 is: 6,654.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,299.92 : 21,447 = 4,436.82 : x
  2. Step 2: Convert to fraction form
    14,299.92/21,447 = 4,436.82/x
  3. Step 3: Cross multiply
    14,299.92x = 21,447 × 4,436.82
  4. Step 4: Simplify right side
    14,299.92x = 95,156,478.54
  5. Step 5: Solve for x
    x = 95,156,478.54/14,299.92
  6. Step 6: Final answer
    x = 6,654.34

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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.