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Finding the Fourth Proportional to 66,325.53, 91,537.50 and 37,654.47

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Solution

The fourth proportional to 66,325.53, 91,537.50 and 37,654.47 is: 51,967.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,325.53 : 91,537.50 = 37,654.47 : x
  2. Step 2: Convert to fraction form
    66,325.53/91,537.50 = 37,654.47/x
  3. Step 3: Cross multiply
    66,325.53x = 91,537.50 × 37,654.47
  4. Step 4: Simplify right side
    66,325.53x = 3,446,795,563.16
  5. Step 5: Solve for x
    x = 3,446,795,563.16/66,325.53
  6. Step 6: Final answer
    x = 51,967.86

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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.