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Finding the Fourth Proportional to 50,355.72, 69,494.31 and 33,330.65

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Solution

The fourth proportional to 50,355.72, 69,494.31 and 33,330.65 is: 45,998.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,355.72 : 69,494.31 = 33,330.65 : x
  2. Step 2: Convert to fraction form
    50,355.72/69,494.31 = 33,330.65/x
  3. Step 3: Cross multiply
    50,355.72x = 69,494.31 × 33,330.65
  4. Step 4: Simplify right side
    50,355.72x = 2,316,290,176.13
  5. Step 5: Solve for x
    x = 2,316,290,176.13/50,355.72
  6. Step 6: Final answer
    x = 45,998.55

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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.