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Finding the Fourth Proportional to 1,094.73, 1,510.94 and 759.55

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Solution

The fourth proportional to 1,094.73, 1,510.94 and 759.55 is: 1,048.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.73 : 1,510.94 = 759.55 : x
  2. Step 2: Convert to fraction form
    1,094.73/1,510.94 = 759.55/x
  3. Step 3: Cross multiply
    1,094.73x = 1,510.94 × 759.55
  4. Step 4: Simplify right side
    1,094.73x = 1,147,634.48
  5. Step 5: Solve for x
    x = 1,147,634.48/1,094.73
  6. Step 6: Final answer
    x = 1,048.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.