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Finding the Fourth Proportional to 3,256.76, 4,885.74 and 1,609.22

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Solution

The fourth proportional to 3,256.76, 4,885.74 and 1,609.22 is: 2,414.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.76 : 4,885.74 = 1,609.22 : x
  2. Step 2: Convert to fraction form
    3,256.76/4,885.74 = 1,609.22/x
  3. Step 3: Cross multiply
    3,256.76x = 4,885.74 × 1,609.22
  4. Step 4: Simplify right side
    3,256.76x = 7,862,230.52
  5. Step 5: Solve for x
    x = 7,862,230.52/3,256.76
  6. Step 6: Final answer
    x = 2,414.13

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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.