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Finding the Fourth Proportional to 38,975.58, 53,751 and 25,542

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Solution

The fourth proportional to 38,975.58, 53,751 and 25,542 is: 35,224.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,975.58 : 53,751 = 25,542 : x
  2. Step 2: Convert to fraction form
    38,975.58/53,751 = 25,542/x
  3. Step 3: Cross multiply
    38,975.58x = 53,751 × 25,542
  4. Step 4: Simplify right side
    38,975.58x = 1,372,908,042
  5. Step 5: Solve for x
    x = 1,372,908,042/38,975.58
  6. Step 6: Final answer
    x = 35,224.83

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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.