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Finding the Fourth Proportional to 62,418.60, 93,714.30 and 49,285.80

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Solution

The fourth proportional to 62,418.60, 93,714.30 and 49,285.80 is: 73,996.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,418.60 : 93,714.30 = 49,285.80 : x
  2. Step 2: Convert to fraction form
    62,418.60/93,714.30 = 49,285.80/x
  3. Step 3: Cross multiply
    62,418.60x = 93,714.30 × 49,285.80
  4. Step 4: Simplify right side
    62,418.60x = 4,618,784,246.94
  5. Step 5: Solve for x
    x = 4,618,784,246.94/62,418.60
  6. Step 6: Final answer
    x = 73,996.92

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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.