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Finding the Fourth Proportional to 66,301, 91,495.38 and 36,493

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Solution

The fourth proportional to 66,301, 91,495.38 and 36,493 is: 50,360.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,301 : 91,495.38 = 36,493 : x
  2. Step 2: Convert to fraction form
    66,301/91,495.38 = 36,493/x
  3. Step 3: Cross multiply
    66,301x = 91,495.38 × 36,493
  4. Step 4: Simplify right side
    66,301x = 3,338,940,902.34
  5. Step 5: Solve for x
    x = 3,338,940,902.34/66,301
  6. Step 6: Final answer
    x = 50,360.34

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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.