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Finding the Fourth Proportional to 65,793.60, 90,797.40 and 37,112.94

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Solution

The fourth proportional to 65,793.60, 90,797.40 and 37,112.94 is: 51,217.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,793.60 : 90,797.40 = 37,112.94 : x
  2. Step 2: Convert to fraction form
    65,793.60/90,797.40 = 37,112.94/x
  3. Step 3: Cross multiply
    65,793.60x = 90,797.40 × 37,112.94
  4. Step 4: Simplify right side
    65,793.60x = 3,369,758,458.36
  5. Step 5: Solve for x
    x = 3,369,758,458.36/65,793.60
  6. Step 6: Final answer
    x = 51,217.12

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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.