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Finding the Fourth Proportional to 63,083.10, 87,062.13 and 36,226.74

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Solution

The fourth proportional to 63,083.10, 87,062.13 and 36,226.74 is: 49,997.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,083.10 : 87,062.13 = 36,226.74 : x
  2. Step 2: Convert to fraction form
    63,083.10/87,062.13 = 36,226.74/x
  3. Step 3: Cross multiply
    63,083.10x = 87,062.13 × 36,226.74
  4. Step 4: Simplify right side
    63,083.10x = 3,153,977,147.36
  5. Step 5: Solve for x
    x = 3,153,977,147.36/63,083.10
  6. Step 6: Final answer
    x = 49,997.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.