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Finding the Fourth Proportional to 62,249, 93,374.31 and 20,696

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Solution

The fourth proportional to 62,249, 93,374.31 and 20,696 is: 31,044.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,249 : 93,374.31 = 20,696 : x
  2. Step 2: Convert to fraction form
    62,249/93,374.31 = 20,696/x
  3. Step 3: Cross multiply
    62,249x = 93,374.31 × 20,696
  4. Step 4: Simplify right side
    62,249x = 1,932,474,719.76
  5. Step 5: Solve for x
    x = 1,932,474,719.76/62,249
  6. Step 6: Final answer
    x = 31,044.27

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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.