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Finding the Fourth Proportional to 55,107.68, 76,050.96 and 33,893.96

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Solution

The fourth proportional to 55,107.68, 76,050.96 and 33,893.96 is: 46,775.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,107.68 : 76,050.96 = 33,893.96 : x
  2. Step 2: Convert to fraction form
    55,107.68/76,050.96 = 33,893.96/x
  3. Step 3: Cross multiply
    55,107.68x = 76,050.96 × 33,893.96
  4. Step 4: Simplify right side
    55,107.68x = 2,577,668,196.20
  5. Step 5: Solve for x
    x = 2,577,668,196.20/55,107.68
  6. Step 6: Final answer
    x = 46,775.12

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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.