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Finding the Fourth Proportional to 54,935.54, 82,309.13 and 36,889.94

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Solution

The fourth proportional to 54,935.54, 82,309.13 and 36,889.94 is: 55,271.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,935.54 : 82,309.13 = 36,889.94 : x
  2. Step 2: Convert to fraction form
    54,935.54/82,309.13 = 36,889.94/x
  3. Step 3: Cross multiply
    54,935.54x = 82,309.13 × 36,889.94
  4. Step 4: Simplify right side
    54,935.54x = 3,036,378,271.16
  5. Step 5: Solve for x
    x = 3,036,378,271.16/54,935.54
  6. Step 6: Final answer
    x = 55,271.66

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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.