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Finding the Fourth Proportional to 65,900.44, 90,943.86 and 36,092.44

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Solution

The fourth proportional to 65,900.44, 90,943.86 and 36,092.44 is: 49,808.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,900.44 : 90,943.86 = 36,092.44 : x
  2. Step 2: Convert to fraction form
    65,900.44/90,943.86 = 36,092.44/x
  3. Step 3: Cross multiply
    65,900.44x = 90,943.86 × 36,092.44
  4. Step 4: Simplify right side
    65,900.44x = 3,282,385,810.42
  5. Step 5: Solve for x
    x = 3,282,385,810.42/65,900.44
  6. Step 6: Final answer
    x = 49,808.25

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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.