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Finding the Fourth Proportional to 54,185.85, 74,796.53 and 40,795.94

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Solution

The fourth proportional to 54,185.85, 74,796.53 and 40,795.94 is: 56,313.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,185.85 : 74,796.53 = 40,795.94 : x
  2. Step 2: Convert to fraction form
    54,185.85/74,796.53 = 40,795.94/x
  3. Step 3: Cross multiply
    54,185.85x = 74,796.53 × 40,795.94
  4. Step 4: Simplify right side
    54,185.85x = 3,051,394,172.13
  5. Step 5: Solve for x
    x = 3,051,394,172.13/54,185.85
  6. Step 6: Final answer
    x = 56,313.49

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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.