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Finding the Fourth Proportional to 62,424.73, 93,637.14 and 20,871.73

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Solution

The fourth proportional to 62,424.73, 93,637.14 and 20,871.73 is: 31,307.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,424.73 : 93,637.14 = 20,871.73 : x
  2. Step 2: Convert to fraction form
    62,424.73/93,637.14 = 20,871.73/x
  3. Step 3: Cross multiply
    62,424.73x = 93,637.14 × 20,871.73
  4. Step 4: Simplify right side
    62,424.73x = 1,954,369,104.05
  5. Step 5: Solve for x
    x = 1,954,369,104.05/62,424.73
  6. Step 6: Final answer
    x = 31,307.61

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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.