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Finding the Fourth Proportional to 55,208.52, 76,187.52 and 30,057.48

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Solution

The fourth proportional to 55,208.52, 76,187.52 and 30,057.48 is: 41,479.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,208.52 : 76,187.52 = 30,057.48 : x
  2. Step 2: Convert to fraction form
    55,208.52/76,187.52 = 30,057.48/x
  3. Step 3: Cross multiply
    55,208.52x = 76,187.52 × 30,057.48
  4. Step 4: Simplify right side
    55,208.52x = 2,290,004,858.65
  5. Step 5: Solve for x
    x = 2,290,004,858.65/55,208.52
  6. Step 6: Final answer
    x = 41,479.19

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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.