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Finding the Fourth Proportional to 1,195.79, 1,792.26 and 675.56

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Solution

The fourth proportional to 1,195.79, 1,792.26 and 675.56 is: 1,012.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.79 : 1,792.26 = 675.56 : x
  2. Step 2: Convert to fraction form
    1,195.79/1,792.26 = 675.56/x
  3. Step 3: Cross multiply
    1,195.79x = 1,792.26 × 675.56
  4. Step 4: Simplify right side
    1,195.79x = 1,210,783.65
  5. Step 5: Solve for x
    x = 1,210,783.65/1,195.79
  6. Step 6: Final answer
    x = 1,012.54

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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.