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Finding the Fourth Proportional to 54,235, 81,268.58 and 37,627.32

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Solution

The fourth proportional to 54,235, 81,268.58 and 37,627.32 is: 56,382.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,235 : 81,268.58 = 37,627.32 : x
  2. Step 2: Convert to fraction form
    54,235/81,268.58 = 37,627.32/x
  3. Step 3: Cross multiply
    54,235x = 81,268.58 × 37,627.32
  4. Step 4: Simplify right side
    54,235x = 3,057,918,865.61
  5. Step 5: Solve for x
    x = 3,057,918,865.61/54,235
  6. Step 6: Final answer
    x = 56,382.76

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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.