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Finding the Fourth Proportional to 5,604.52, 7,734.26 and 3,120.52

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Solution

The fourth proportional to 5,604.52, 7,734.26 and 3,120.52 is: 4,306.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604.52 : 7,734.26 = 3,120.52 : x
  2. Step 2: Convert to fraction form
    5,604.52/7,734.26 = 3,120.52/x
  3. Step 3: Cross multiply
    5,604.52x = 7,734.26 × 3,120.52
  4. Step 4: Simplify right side
    5,604.52x = 24,134,913.02
  5. Step 5: Solve for x
    x = 24,134,913.02/5,604.52
  6. Step 6: Final answer
    x = 4,306.33

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1.5x scale

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.