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Finding the Fourth Proportional to 4,604.78, 6,355.50 and 2,615.42

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Solution

The fourth proportional to 4,604.78, 6,355.50 and 2,615.42 is: 3,609.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,604.78 : 6,355.50 = 2,615.42 : x
  2. Step 2: Convert to fraction form
    4,604.78/6,355.50 = 2,615.42/x
  3. Step 3: Cross multiply
    4,604.78x = 6,355.50 × 2,615.42
  4. Step 4: Simplify right side
    4,604.78x = 16,622,301.81
  5. Step 5: Solve for x
    x = 16,622,301.81/4,604.78
  6. Step 6: Final answer
    x = 3,609.79

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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.