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Finding the Fourth Proportional to 54,607.36, 81,908.16 and 26,896

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Solution

The fourth proportional to 54,607.36, 81,908.16 and 26,896 is: 40,342.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,607.36 : 81,908.16 = 26,896 : x
  2. Step 2: Convert to fraction form
    54,607.36/81,908.16 = 26,896/x
  3. Step 3: Cross multiply
    54,607.36x = 81,908.16 × 26,896
  4. Step 4: Simplify right side
    54,607.36x = 2,203,001,871.36
  5. Step 5: Solve for x
    x = 2,203,001,871.36/54,607.36
  6. Step 6: Final answer
    x = 40,342.58

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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.