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Finding the Fourth Proportional to 10,422.97, 14,384.52 and 5,945.69

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Solution

The fourth proportional to 10,422.97, 14,384.52 and 5,945.69 is: 8,205.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.97 : 14,384.52 = 5,945.69 : x
  2. Step 2: Convert to fraction form
    10,422.97/14,384.52 = 5,945.69/x
  3. Step 3: Cross multiply
    10,422.97x = 14,384.52 × 5,945.69
  4. Step 4: Simplify right side
    10,422.97x = 85,525,896.72
  5. Step 5: Solve for x
    x = 85,525,896.72/10,422.97
  6. Step 6: Final answer
    x = 8,205.52

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