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Finding the Fourth Proportional to 3,661.46, 5,494.35 and 1,354.58

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Solution

The fourth proportional to 3,661.46, 5,494.35 and 1,354.58 is: 2,032.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.46 : 5,494.35 = 1,354.58 : x
  2. Step 2: Convert to fraction form
    3,661.46/5,494.35 = 1,354.58/x
  3. Step 3: Cross multiply
    3,661.46x = 5,494.35 × 1,354.58
  4. Step 4: Simplify right side
    3,661.46x = 7,442,536.62
  5. Step 5: Solve for x
    x = 7,442,536.62/3,661.46
  6. Step 6: Final answer
    x = 2,032.67

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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.