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Finding the Fourth Proportional to 54,108.48, 74,664.16 and 37,127.28

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Solution

The fourth proportional to 54,108.48, 74,664.16 and 37,127.28 is: 51,231.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,108.48 : 74,664.16 = 37,127.28 : x
  2. Step 2: Convert to fraction form
    54,108.48/74,664.16 = 37,127.28/x
  3. Step 3: Cross multiply
    54,108.48x = 74,664.16 × 37,127.28
  4. Step 4: Simplify right side
    54,108.48x = 2,772,077,174.28
  5. Step 5: Solve for x
    x = 2,772,077,174.28/54,108.48
  6. Step 6: Final answer
    x = 51,231.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.