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Finding the Fourth Proportional to 65,862.44, 90,881.70 and 37,566.44

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Solution

The fourth proportional to 65,862.44, 90,881.70 and 37,566.44 is: 51,836.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,862.44 : 90,881.70 = 37,566.44 : x
  2. Step 2: Convert to fraction form
    65,862.44/90,881.70 = 37,566.44/x
  3. Step 3: Cross multiply
    65,862.44x = 90,881.70 × 37,566.44
  4. Step 4: Simplify right side
    65,862.44x = 3,414,101,930.15
  5. Step 5: Solve for x
    x = 3,414,101,930.15/65,862.44
  6. Step 6: Final answer
    x = 51,836.86

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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.