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Finding the Fourth Proportional to 1,196.73, 1,792.75 and 675.13

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Solution

The fourth proportional to 1,196.73, 1,792.75 and 675.13 is: 1,011.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196.73 : 1,792.75 = 675.13 : x
  2. Step 2: Convert to fraction form
    1,196.73/1,792.75 = 675.13/x
  3. Step 3: Cross multiply
    1,196.73x = 1,792.75 × 675.13
  4. Step 4: Simplify right side
    1,196.73x = 1,210,339.31
  5. Step 5: Solve for x
    x = 1,210,339.31/1,196.73
  6. Step 6: Final answer
    x = 1,011.37

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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.