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Finding the Fourth Proportional to 53,998.20, 80,900.10 and 44,083.80

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Solution

The fourth proportional to 53,998.20, 80,900.10 and 44,083.80 is: 66,046.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,998.20 : 80,900.10 = 44,083.80 : x
  2. Step 2: Convert to fraction form
    53,998.20/80,900.10 = 44,083.80/x
  3. Step 3: Cross multiply
    53,998.20x = 80,900.10 × 44,083.80
  4. Step 4: Simplify right side
    53,998.20x = 3,566,383,828.38
  5. Step 5: Solve for x
    x = 3,566,383,828.38/53,998.20
  6. Step 6: Final answer
    x = 66,046.35

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1.5x scale

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.