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Finding the Fourth Proportional to 38,401.98, 53,012.52 and 27,080.70

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Solution

The fourth proportional to 38,401.98, 53,012.52 and 27,080.70 is: 37,383.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,401.98 : 53,012.52 = 27,080.70 : x
  2. Step 2: Convert to fraction form
    38,401.98/53,012.52 = 27,080.70/x
  3. Step 3: Cross multiply
    38,401.98x = 53,012.52 × 27,080.70
  4. Step 4: Simplify right side
    38,401.98x = 1,435,616,150.36
  5. Step 5: Solve for x
    x = 1,435,616,150.36/38,401.98
  6. Step 6: Final answer
    x = 37,383.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.