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Finding the Fourth Proportional to 54,652.65, 81,966.67 and 35,671.31

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Solution

The fourth proportional to 54,652.65, 81,966.67 and 35,671.31 is: 53,498.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,652.65 : 81,966.67 = 35,671.31 : x
  2. Step 2: Convert to fraction form
    54,652.65/81,966.67 = 35,671.31/x
  3. Step 3: Cross multiply
    54,652.65x = 81,966.67 × 35,671.31
  4. Step 4: Simplify right side
    54,652.65x = 2,923,858,316.88
  5. Step 5: Solve for x
    x = 2,923,858,316.88/54,652.65
  6. Step 6: Final answer
    x = 53,498.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.