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Finding the Fourth Proportional to 3,599.64, 5,397.30 and 1,956.96

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Solution

The fourth proportional to 3,599.64, 5,397.30 and 1,956.96 is: 2,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.64 : 5,397.30 = 1,956.96 : x
  2. Step 2: Convert to fraction form
    3,599.64/5,397.30 = 1,956.96/x
  3. Step 3: Cross multiply
    3,599.64x = 5,397.30 × 1,956.96
  4. Step 4: Simplify right side
    3,599.64x = 10,562,300.21
  5. Step 5: Solve for x
    x = 10,562,300.21/3,599.64
  6. Step 6: Final answer
    x = 2,934.27

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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.