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Finding the Fourth Proportional to 51,065.80, 76,600.05 and 16,006.30

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Solution

The fourth proportional to 51,065.80, 76,600.05 and 16,006.30 is: 24,009.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,065.80 : 76,600.05 = 16,006.30 : x
  2. Step 2: Convert to fraction form
    51,065.80/76,600.05 = 16,006.30/x
  3. Step 3: Cross multiply
    51,065.80x = 76,600.05 × 16,006.30
  4. Step 4: Simplify right side
    51,065.80x = 1,226,083,380.32
  5. Step 5: Solve for x
    x = 1,226,083,380.32/51,065.80
  6. Step 6: Final answer
    x = 24,009.87

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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.