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Finding the Fourth Proportional to 54,395.39, 75,046.39 and 35,543.45

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Solution

The fourth proportional to 54,395.39, 75,046.39 and 35,543.45 is: 49,037.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,395.39 : 75,046.39 = 35,543.45 : x
  2. Step 2: Convert to fraction form
    54,395.39/75,046.39 = 35,543.45/x
  3. Step 3: Cross multiply
    54,395.39x = 75,046.39 × 35,543.45
  4. Step 4: Simplify right side
    54,395.39x = 2,667,407,610.65
  5. Step 5: Solve for x
    x = 2,667,407,610.65/54,395.39
  6. Step 6: Final answer
    x = 49,037.38

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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.