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Finding the Fourth Proportional to 35,255.70, 52,866.54 and 20,468.34

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Solution

The fourth proportional to 35,255.70, 52,866.54 and 20,468.34 is: 30,692.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,255.70 : 52,866.54 = 20,468.34 : x
  2. Step 2: Convert to fraction form
    35,255.70/52,866.54 = 20,468.34/x
  3. Step 3: Cross multiply
    35,255.70x = 52,866.54 × 20,468.34
  4. Step 4: Simplify right side
    35,255.70x = 1,082,090,315.34
  5. Step 5: Solve for x
    x = 1,082,090,315.34/35,255.70
  6. Step 6: Final answer
    x = 30,692.63

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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.