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Finding the Fourth Proportional to 35,273.85, 52,910.08 and 8,620.01

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Solution

The fourth proportional to 35,273.85, 52,910.08 and 8,620.01 is: 12,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,273.85 : 52,910.08 = 8,620.01 : x
  2. Step 2: Convert to fraction form
    35,273.85/52,910.08 = 8,620.01/x
  3. Step 3: Cross multiply
    35,273.85x = 52,910.08 × 8,620.01
  4. Step 4: Simplify right side
    35,273.85x = 456,085,418.70
  5. Step 5: Solve for x
    x = 456,085,418.70/35,273.85
  6. Step 6: Final answer
    x = 12,929.85

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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.