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Finding the Fourth Proportional to 65,900.66, 90,949.42 and 37,610.60

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Solution

The fourth proportional to 65,900.66, 90,949.42 and 37,610.60 is: 51,906.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,900.66 : 90,949.42 = 37,610.60 : x
  2. Step 2: Convert to fraction form
    65,900.66/90,949.42 = 37,610.60/x
  3. Step 3: Cross multiply
    65,900.66x = 90,949.42 × 37,610.60
  4. Step 4: Simplify right side
    65,900.66x = 3,420,662,255.85
  5. Step 5: Solve for x
    x = 3,420,662,255.85/65,900.66
  6. Step 6: Final answer
    x = 51,906.34

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1.5x scale

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.