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Finding the Fourth Proportional to 5,697.63, 7,863.41 and 3,339.77

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Solution

The fourth proportional to 5,697.63, 7,863.41 and 3,339.77 is: 4,609.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,697.63 : 7,863.41 = 3,339.77 : x
  2. Step 2: Convert to fraction form
    5,697.63/7,863.41 = 3,339.77/x
  3. Step 3: Cross multiply
    5,697.63x = 7,863.41 × 3,339.77
  4. Step 4: Simplify right side
    5,697.63x = 26,261,924.80
  5. Step 5: Solve for x
    x = 26,261,924.80/5,697.63
  6. Step 6: Final answer
    x = 4,609.27

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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.