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Finding the Fourth Proportional to 5,336.46, 8,004.69 and 1,440.87

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Solution

The fourth proportional to 5,336.46, 8,004.69 and 1,440.87 is: 2,161.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,336.46 : 8,004.69 = 1,440.87 : x
  2. Step 2: Convert to fraction form
    5,336.46/8,004.69 = 1,440.87/x
  3. Step 3: Cross multiply
    5,336.46x = 8,004.69 × 1,440.87
  4. Step 4: Simplify right side
    5,336.46x = 11,533,717.68
  5. Step 5: Solve for x
    x = 11,533,717.68/5,336.46
  6. Step 6: Final answer
    x = 2,161.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.