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Finding the Fourth Proportional to 62,638.59, 93,873.14 and 33,078.55

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Solution

The fourth proportional to 62,638.59, 93,873.14 and 33,078.55 is: 49,573.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,638.59 : 93,873.14 = 33,078.55 : x
  2. Step 2: Convert to fraction form
    62,638.59/93,873.14 = 33,078.55/x
  3. Step 3: Cross multiply
    62,638.59x = 93,873.14 × 33,078.55
  4. Step 4: Simplify right side
    62,638.59x = 3,105,187,355.15
  5. Step 5: Solve for x
    x = 3,105,187,355.15/62,638.59
  6. Step 6: Final answer
    x = 49,573.07

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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.