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Finding the Fourth Proportional to 5,661.66, 8,481.44 and 3,707.94

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Solution

The fourth proportional to 5,661.66, 8,481.44 and 3,707.94 is: 5,554.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.66 : 8,481.44 = 3,707.94 : x
  2. Step 2: Convert to fraction form
    5,661.66/8,481.44 = 3,707.94/x
  3. Step 3: Cross multiply
    5,661.66x = 8,481.44 × 3,707.94
  4. Step 4: Simplify right side
    5,661.66x = 31,448,670.63
  5. Step 5: Solve for x
    x = 31,448,670.63/5,661.66
  6. Step 6: Final answer
    x = 5,554.67

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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.