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Finding the Fourth Proportional to 35,876.70, 53,790.71 and 20,092.59

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Solution

The fourth proportional to 35,876.70, 53,790.71 and 20,092.59 is: 30,125.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,876.70 : 53,790.71 = 20,092.59 : x
  2. Step 2: Convert to fraction form
    35,876.70/53,790.71 = 20,092.59/x
  3. Step 3: Cross multiply
    35,876.70x = 53,790.71 × 20,092.59
  4. Step 4: Simplify right side
    35,876.70x = 1,080,794,581.38
  5. Step 5: Solve for x
    x = 1,080,794,581.38/35,876.70
  6. Step 6: Final answer
    x = 30,125.25

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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.