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Finding the Fourth Proportional to 55,800.66, 76,992.93 and 33,147.29

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Solution

The fourth proportional to 55,800.66, 76,992.93 and 33,147.29 is: 45,736.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,800.66 : 76,992.93 = 33,147.29 : x
  2. Step 2: Convert to fraction form
    55,800.66/76,992.93 = 33,147.29/x
  3. Step 3: Cross multiply
    55,800.66x = 76,992.93 × 33,147.29
  4. Step 4: Simplify right side
    55,800.66x = 2,552,106,978.66
  5. Step 5: Solve for x
    x = 2,552,106,978.66/55,800.66
  6. Step 6: Final answer
    x = 45,736.14

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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.