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Finding the Fourth Proportional to 2,370.96, 3,556.59 and 727.53

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Solution

The fourth proportional to 2,370.96, 3,556.59 and 727.53 is: 1,091.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.96 : 3,556.59 = 727.53 : x
  2. Step 2: Convert to fraction form
    2,370.96/3,556.59 = 727.53/x
  3. Step 3: Cross multiply
    2,370.96x = 3,556.59 × 727.53
  4. Step 4: Simplify right side
    2,370.96x = 2,587,525.92
  5. Step 5: Solve for x
    x = 2,587,525.92/2,370.96
  6. Step 6: Final answer
    x = 1,091.34

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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.