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Finding the Fourth Proportional to 7,626, 11,440.44 and 4,343.76

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Solution

The fourth proportional to 7,626, 11,440.44 and 4,343.76 is: 6,516.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626 : 11,440.44 = 4,343.76 : x
  2. Step 2: Convert to fraction form
    7,626/11,440.44 = 4,343.76/x
  3. Step 3: Cross multiply
    7,626x = 11,440.44 × 4,343.76
  4. Step 4: Simplify right side
    7,626x = 49,694,525.65
  5. Step 5: Solve for x
    x = 49,694,525.65/7,626
  6. Step 6: Final answer
    x = 6,516.46

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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.