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Finding the Fourth Proportional to 19,755.52, 29,638.10 and 5,904.52

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Solution

The fourth proportional to 19,755.52, 29,638.10 and 5,904.52 is: 8,858.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755.52 : 29,638.10 = 5,904.52 : x
  2. Step 2: Convert to fraction form
    19,755.52/29,638.10 = 5,904.52/x
  3. Step 3: Cross multiply
    19,755.52x = 29,638.10 × 5,904.52
  4. Step 4: Simplify right side
    19,755.52x = 174,998,754.21
  5. Step 5: Solve for x
    x = 174,998,754.21/19,755.52
  6. Step 6: Final answer
    x = 8,858.22

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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.