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Finding the Fourth Proportional to 4,672.08, 7,004.16 and 2,205.54

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Solution

The fourth proportional to 4,672.08, 7,004.16 and 2,205.54 is: 3,306.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.08 : 7,004.16 = 2,205.54 : x
  2. Step 2: Convert to fraction form
    4,672.08/7,004.16 = 2,205.54/x
  3. Step 3: Cross multiply
    4,672.08x = 7,004.16 × 2,205.54
  4. Step 4: Simplify right side
    4,672.08x = 15,447,955.05
  5. Step 5: Solve for x
    x = 15,447,955.05/4,672.08
  6. Step 6: Final answer
    x = 3,306.44

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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.