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Finding the Fourth Proportional to 55,107.93, 76,051.31 and 33,894.21

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Solution

The fourth proportional to 55,107.93, 76,051.31 and 33,894.21 is: 46,775.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,107.93 : 76,051.31 = 33,894.21 : x
  2. Step 2: Convert to fraction form
    55,107.93/76,051.31 = 33,894.21/x
  3. Step 3: Cross multiply
    55,107.93x = 76,051.31 × 33,894.21
  4. Step 4: Simplify right side
    55,107.93x = 2,577,698,902.44
  5. Step 5: Solve for x
    x = 2,577,698,902.44/55,107.93
  6. Step 6: Final answer
    x = 46,775.46

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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.