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Finding the Fourth Proportional to 54,905.07, 75,768.99 and 29,754.57

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Solution

The fourth proportional to 54,905.07, 75,768.99 and 29,754.57 is: 41,061.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,905.07 : 75,768.99 = 29,754.57 : x
  2. Step 2: Convert to fraction form
    54,905.07/75,768.99 = 29,754.57/x
  3. Step 3: Cross multiply
    54,905.07x = 75,768.99 × 29,754.57
  4. Step 4: Simplify right side
    54,905.07x = 2,254,473,716.78
  5. Step 5: Solve for x
    x = 2,254,473,716.78/54,905.07
  6. Step 6: Final answer
    x = 41,061.30

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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.