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Finding the Fourth Proportional to 54,476.72, 75,186 and 33,268.28

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Solution

The fourth proportional to 54,476.72, 75,186 and 33,268.28 is: 45,915.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,476.72 : 75,186 = 33,268.28 : x
  2. Step 2: Convert to fraction form
    54,476.72/75,186 = 33,268.28/x
  3. Step 3: Cross multiply
    54,476.72x = 75,186 × 33,268.28
  4. Step 4: Simplify right side
    54,476.72x = 2,501,308,900.08
  5. Step 5: Solve for x
    x = 2,501,308,900.08/54,476.72
  6. Step 6: Final answer
    x = 45,915.19

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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.