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Finding the Fourth Proportional to 3,099.04, 4,647 and 1,018.96

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Solution

The fourth proportional to 3,099.04, 4,647 and 1,018.96 is: 1,527.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.04 : 4,647 = 1,018.96 : x
  2. Step 2: Convert to fraction form
    3,099.04/4,647 = 1,018.96/x
  3. Step 3: Cross multiply
    3,099.04x = 4,647 × 1,018.96
  4. Step 4: Simplify right side
    3,099.04x = 4,735,107.12
  5. Step 5: Solve for x
    x = 4,735,107.12/3,099.04
  6. Step 6: Final answer
    x = 1,527.93

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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.