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Finding the Fourth Proportional to 1,765.56, 2,438.46 and 1,741.26

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Solution

The fourth proportional to 1,765.56, 2,438.46 and 1,741.26 is: 2,404.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765.56 : 2,438.46 = 1,741.26 : x
  2. Step 2: Convert to fraction form
    1,765.56/2,438.46 = 1,741.26/x
  3. Step 3: Cross multiply
    1,765.56x = 2,438.46 × 1,741.26
  4. Step 4: Simplify right side
    1,765.56x = 4,245,992.86
  5. Step 5: Solve for x
    x = 4,245,992.86/1,765.56
  6. Step 6: Final answer
    x = 2,404.90

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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.