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Finding the Fourth Proportional to 65,900.94, 90,944.55 and 36,092.94

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Solution

The fourth proportional to 65,900.94, 90,944.55 and 36,092.94 is: 49,808.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,900.94 : 90,944.55 = 36,092.94 : x
  2. Step 2: Convert to fraction form
    65,900.94/90,944.55 = 36,092.94/x
  3. Step 3: Cross multiply
    65,900.94x = 90,944.55 × 36,092.94
  4. Step 4: Simplify right side
    65,900.94x = 3,282,456,186.48
  5. Step 5: Solve for x
    x = 3,282,456,186.48/65,900.94
  6. Step 6: Final answer
    x = 49,808.94

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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.