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Finding the Fourth Proportional to 62,916.75, 94,388.09 and 25,980.75

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Solution

The fourth proportional to 62,916.75, 94,388.09 and 25,980.75 is: 38,976.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,916.75 : 94,388.09 = 25,980.75 : x
  2. Step 2: Convert to fraction form
    62,916.75/94,388.09 = 25,980.75/x
  3. Step 3: Cross multiply
    62,916.75x = 94,388.09 × 25,980.75
  4. Step 4: Simplify right side
    62,916.75x = 2,452,273,239.36
  5. Step 5: Solve for x
    x = 2,452,273,239.36/62,916.75
  6. Step 6: Final answer
    x = 38,976.48

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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.