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Finding the Fourth Proportional to 35,503, 53,255.46 and 10,879

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Solution

The fourth proportional to 35,503, 53,255.46 and 10,879 is: 16,318.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,503 : 53,255.46 = 10,879 : x
  2. Step 2: Convert to fraction form
    35,503/53,255.46 = 10,879/x
  3. Step 3: Cross multiply
    35,503x = 53,255.46 × 10,879
  4. Step 4: Simplify right side
    35,503x = 579,366,149.34
  5. Step 5: Solve for x
    x = 579,366,149.34/35,503
  6. Step 6: Final answer
    x = 16,318.79

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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.