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Finding the Fourth Proportional to 55,770.88, 76,930 and 33,094.93

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Solution

The fourth proportional to 55,770.88, 76,930 and 33,094.93 is: 45,650.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,770.88 : 76,930 = 33,094.93 : x
  2. Step 2: Convert to fraction form
    55,770.88/76,930 = 33,094.93/x
  3. Step 3: Cross multiply
    55,770.88x = 76,930 × 33,094.93
  4. Step 4: Simplify right side
    55,770.88x = 2,545,992,964.90
  5. Step 5: Solve for x
    x = 2,545,992,964.90/55,770.88
  6. Step 6: Final answer
    x = 45,650.94

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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.