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Finding the Fourth Proportional to 34,893.54, 52,354.31 and 12,708.45

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Solution

The fourth proportional to 34,893.54, 52,354.31 and 12,708.45 is: 19,067.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,893.54 : 52,354.31 = 12,708.45 : x
  2. Step 2: Convert to fraction form
    34,893.54/52,354.31 = 12,708.45/x
  3. Step 3: Cross multiply
    34,893.54x = 52,354.31 × 12,708.45
  4. Step 4: Simplify right side
    34,893.54x = 665,342,067.38
  5. Step 5: Solve for x
    x = 665,342,067.38/34,893.54
  6. Step 6: Final answer
    x = 19,067.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.