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Finding the Fourth Proportional to 1,519.07, 2,096.32 and 855.93

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Solution

The fourth proportional to 1,519.07, 2,096.32 and 855.93 is: 1,181.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.07 : 2,096.32 = 855.93 : x
  2. Step 2: Convert to fraction form
    1,519.07/2,096.32 = 855.93/x
  3. Step 3: Cross multiply
    1,519.07x = 2,096.32 × 855.93
  4. Step 4: Simplify right side
    1,519.07x = 1,794,300.46
  5. Step 5: Solve for x
    x = 1,794,300.46/1,519.07
  6. Step 6: Final answer
    x = 1,181.19

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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.