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Finding the Fourth Proportional to 1,705.26, 2,556.06 and 883.32

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Solution

The fourth proportional to 1,705.26, 2,556.06 and 883.32 is: 1,324.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705.26 : 2,556.06 = 883.32 : x
  2. Step 2: Convert to fraction form
    1,705.26/2,556.06 = 883.32/x
  3. Step 3: Cross multiply
    1,705.26x = 2,556.06 × 883.32
  4. Step 4: Simplify right side
    1,705.26x = 2,257,818.92
  5. Step 5: Solve for x
    x = 2,257,818.92/1,705.26
  6. Step 6: Final answer
    x = 1,324.03

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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.