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Finding the Fourth Proportional to 51,692.93, 77,531.90 and 16,628.03

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Solution

The fourth proportional to 51,692.93, 77,531.90 and 16,628.03 is: 24,939.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,692.93 : 77,531.90 = 16,628.03 : x
  2. Step 2: Convert to fraction form
    51,692.93/77,531.90 = 16,628.03/x
  3. Step 3: Cross multiply
    51,692.93x = 77,531.90 × 16,628.03
  4. Step 4: Simplify right side
    51,692.93x = 1,289,202,288.36
  5. Step 5: Solve for x
    x = 1,289,202,288.36/51,692.93
  6. Step 6: Final answer
    x = 24,939.63

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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.