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Finding the Fourth Proportional to 66,048.81, 98,942.00 and 36,393.09

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Solution

The fourth proportional to 66,048.81, 98,942.00 and 36,393.09 is: 54,517.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,048.81 : 98,942.00 = 36,393.09 : x
  2. Step 2: Convert to fraction form
    66,048.81/98,942.00 = 36,393.09/x
  3. Step 3: Cross multiply
    66,048.81x = 98,942.00 × 36,393.09
  4. Step 4: Simplify right side
    66,048.81x = 3,600,804,928.81
  5. Step 5: Solve for x
    x = 3,600,804,928.81/66,048.81
  6. Step 6: Final answer
    x = 54,517.33

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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.