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Finding the Fourth Proportional to 55,076.58, 75,998.96 and 30,871.96

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Solution

The fourth proportional to 55,076.58, 75,998.96 and 30,871.96 is: 42,599.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,076.58 : 75,998.96 = 30,871.96 : x
  2. Step 2: Convert to fraction form
    55,076.58/75,998.96 = 30,871.96/x
  3. Step 3: Cross multiply
    55,076.58x = 75,998.96 × 30,871.96
  4. Step 4: Simplify right side
    55,076.58x = 2,346,236,835.34
  5. Step 5: Solve for x
    x = 2,346,236,835.34/55,076.58
  6. Step 6: Final answer
    x = 42,599.54

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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.