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Finding the Fourth Proportional to 54,674.41, 81,712.04 and 39,914.41

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Solution

The fourth proportional to 54,674.41, 81,712.04 and 39,914.41 is: 59,652.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,674.41 : 81,712.04 = 39,914.41 : x
  2. Step 2: Convert to fraction form
    54,674.41/81,712.04 = 39,914.41/x
  3. Step 3: Cross multiply
    54,674.41x = 81,712.04 × 39,914.41
  4. Step 4: Simplify right side
    54,674.41x = 3,261,487,866.50
  5. Step 5: Solve for x
    x = 3,261,487,866.50/54,674.41
  6. Step 6: Final answer
    x = 59,652.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.