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Finding the Fourth Proportional to 1,342.05, 1,852.89 and 1,093.96

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Solution

The fourth proportional to 1,342.05, 1,852.89 and 1,093.96 is: 1,510.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342.05 : 1,852.89 = 1,093.96 : x
  2. Step 2: Convert to fraction form
    1,342.05/1,852.89 = 1,093.96/x
  3. Step 3: Cross multiply
    1,342.05x = 1,852.89 × 1,093.96
  4. Step 4: Simplify right side
    1,342.05x = 2,026,987.54
  5. Step 5: Solve for x
    x = 2,026,987.54/1,342.05
  6. Step 6: Final answer
    x = 1,510.37

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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.