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Finding the Fourth Proportional to 65,753.67, 90,735.51 and 37,074.36

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Solution

The fourth proportional to 65,753.67, 90,735.51 and 37,074.36 is: 51,160.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,753.67 : 90,735.51 = 37,074.36 : x
  2. Step 2: Convert to fraction form
    65,753.67/90,735.51 = 37,074.36/x
  3. Step 3: Cross multiply
    65,753.67x = 90,735.51 × 37,074.36
  4. Step 4: Simplify right side
    65,753.67x = 3,363,960,962.52
  5. Step 5: Solve for x
    x = 3,363,960,962.52/65,753.67
  6. Step 6: Final answer
    x = 51,160.05

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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.