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Finding the Fourth Proportional to 6,941.41, 9,577.65 and 3,956.44

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Solution

The fourth proportional to 6,941.41, 9,577.65 and 3,956.44 is: 5,459.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,941.41 : 9,577.65 = 3,956.44 : x
  2. Step 2: Convert to fraction form
    6,941.41/9,577.65 = 3,956.44/x
  3. Step 3: Cross multiply
    6,941.41x = 9,577.65 × 3,956.44
  4. Step 4: Simplify right side
    6,941.41x = 37,893,397.57
  5. Step 5: Solve for x
    x = 37,893,397.57/6,941.41
  6. Step 6: Final answer
    x = 5,459.03

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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.