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Finding the Fourth Proportional to 52,703.46, 79,043.82 and 16,682.76

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Solution

The fourth proportional to 52,703.46, 79,043.82 and 16,682.76 is: 25,020.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,703.46 : 79,043.82 = 16,682.76 : x
  2. Step 2: Convert to fraction form
    52,703.46/79,043.82 = 16,682.76/x
  3. Step 3: Cross multiply
    52,703.46x = 79,043.82 × 16,682.76
  4. Step 4: Simplify right side
    52,703.46x = 1,318,669,078.54
  5. Step 5: Solve for x
    x = 1,318,669,078.54/52,703.46
  6. Step 6: Final answer
    x = 25,020.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.