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Finding the Fourth Proportional to 69,033.31, 103,484.34 and 44,003.09

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Solution

The fourth proportional to 69,033.31, 103,484.34 and 44,003.09 is: 65,962.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,033.31 : 103,484.34 = 44,003.09 : x
  2. Step 2: Convert to fraction form
    69,033.31/103,484.34 = 44,003.09/x
  3. Step 3: Cross multiply
    69,033.31x = 103,484.34 × 44,003.09
  4. Step 4: Simplify right side
    69,033.31x = 4,553,630,985.32
  5. Step 5: Solve for x
    x = 4,553,630,985.32/69,033.31
  6. Step 6: Final answer
    x = 65,962.81

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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.