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Finding the Fourth Proportional to 34,889.88, 52,300.96 and 13,822.92

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Solution

The fourth proportional to 34,889.88, 52,300.96 and 13,822.92 is: 20,720.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,889.88 : 52,300.96 = 13,822.92 : x
  2. Step 2: Convert to fraction form
    34,889.88/52,300.96 = 13,822.92/x
  3. Step 3: Cross multiply
    34,889.88x = 52,300.96 × 13,822.92
  4. Step 4: Simplify right side
    34,889.88x = 722,951,986.00
  5. Step 5: Solve for x
    x = 722,951,986.00/34,889.88
  6. Step 6: Final answer
    x = 20,720.97

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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.