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Finding the Fourth Proportional to 65,894.52, 90,940.95 and 37,604.46

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Solution

The fourth proportional to 65,894.52, 90,940.95 and 37,604.46 is: 51,897.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,894.52 : 90,940.95 = 37,604.46 : x
  2. Step 2: Convert to fraction form
    65,894.52/90,940.95 = 37,604.46/x
  3. Step 3: Cross multiply
    65,894.52x = 90,940.95 × 37,604.46
  4. Step 4: Simplify right side
    65,894.52x = 3,419,785,316.64
  5. Step 5: Solve for x
    x = 3,419,785,316.64/65,894.52
  6. Step 6: Final answer
    x = 51,897.87

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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.