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Finding the Fourth Proportional to 35,121.60, 52,680.60 and 25,278.48

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Solution

The fourth proportional to 35,121.60, 52,680.60 and 25,278.48 is: 37,916.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,121.60 : 52,680.60 = 25,278.48 : x
  2. Step 2: Convert to fraction form
    35,121.60/52,680.60 = 25,278.48/x
  3. Step 3: Cross multiply
    35,121.60x = 52,680.60 × 25,278.48
  4. Step 4: Simplify right side
    35,121.60x = 1,331,685,493.49
  5. Step 5: Solve for x
    x = 1,331,685,493.49/35,121.60
  6. Step 6: Final answer
    x = 37,916.42

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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.