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Finding the Fourth Proportional to 19,754.52, 29,640.03 and 8,669.19

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Solution

The fourth proportional to 19,754.52, 29,640.03 and 8,669.19 is: 13,007.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,754.52 : 29,640.03 = 8,669.19 : x
  2. Step 2: Convert to fraction form
    19,754.52/29,640.03 = 8,669.19/x
  3. Step 3: Cross multiply
    19,754.52x = 29,640.03 × 8,669.19
  4. Step 4: Simplify right side
    19,754.52x = 256,955,051.68
  5. Step 5: Solve for x
    x = 256,955,051.68/19,754.52
  6. Step 6: Final answer
    x = 13,007.41

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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.