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Finding the Fourth Proportional to 65,901, 90,945.66 and 36,093

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Solution

The fourth proportional to 65,901, 90,945.66 and 36,093 is: 49,809.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,901 : 90,945.66 = 36,093 : x
  2. Step 2: Convert to fraction form
    65,901/90,945.66 = 36,093/x
  3. Step 3: Cross multiply
    65,901x = 90,945.66 × 36,093
  4. Step 4: Simplify right side
    65,901x = 3,282,501,706.38
  5. Step 5: Solve for x
    x = 3,282,501,706.38/65,901
  6. Step 6: Final answer
    x = 49,809.59

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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.