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Finding the Fourth Proportional to 55,562.73, 76,676.43 and 30,069

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Solution

The fourth proportional to 55,562.73, 76,676.43 and 30,069 is: 41,495.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,562.73 : 76,676.43 = 30,069 : x
  2. Step 2: Convert to fraction form
    55,562.73/76,676.43 = 30,069/x
  3. Step 3: Cross multiply
    55,562.73x = 76,676.43 × 30,069
  4. Step 4: Simplify right side
    55,562.73x = 2,305,583,573.67
  5. Step 5: Solve for x
    x = 2,305,583,573.67/55,562.73
  6. Step 6: Final answer
    x = 41,495.15

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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.