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Finding the Fourth Proportional to 54,644.10, 81,966.15 and 49,805.70

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Solution

The fourth proportional to 54,644.10, 81,966.15 and 49,805.70 is: 74,708.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,644.10 : 81,966.15 = 49,805.70 : x
  2. Step 2: Convert to fraction form
    54,644.10/81,966.15 = 49,805.70/x
  3. Step 3: Cross multiply
    54,644.10x = 81,966.15 × 49,805.70
  4. Step 4: Simplify right side
    54,644.10x = 4,082,381,477.06
  5. Step 5: Solve for x
    x = 4,082,381,477.06/54,644.10
  6. Step 6: Final answer
    x = 74,708.55

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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.