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Finding the Fourth Proportional to 66,452.76, 91,704.83 and 36,237.31

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Solution

The fourth proportional to 66,452.76, 91,704.83 and 36,237.31 is: 50,007.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,452.76 : 91,704.83 = 36,237.31 : x
  2. Step 2: Convert to fraction form
    66,452.76/91,704.83 = 36,237.31/x
  3. Step 3: Cross multiply
    66,452.76x = 91,704.83 × 36,237.31
  4. Step 4: Simplify right side
    66,452.76x = 3,323,136,055.07
  5. Step 5: Solve for x
    x = 3,323,136,055.07/66,452.76
  6. Step 6: Final answer
    x = 50,007.49

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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.