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Finding the Fourth Proportional to 69,065.89, 103,630.28 and 33,508.01

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Solution

The fourth proportional to 69,065.89, 103,630.28 and 33,508.01 is: 50,277.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,065.89 : 103,630.28 = 33,508.01 : x
  2. Step 2: Convert to fraction form
    69,065.89/103,630.28 = 33,508.01/x
  3. Step 3: Cross multiply
    69,065.89x = 103,630.28 × 33,508.01
  4. Step 4: Simplify right side
    69,065.89x = 3,472,444,550.08
  5. Step 5: Solve for x
    x = 3,472,444,550.08/69,065.89
  6. Step 6: Final answer
    x = 50,277.27

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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.