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Finding the Fourth Proportional to 6,343.67, 8,758.58 and 3,954.60

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Solution

The fourth proportional to 6,343.67, 8,758.58 and 3,954.60 is: 5,460.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.67 : 8,758.58 = 3,954.60 : x
  2. Step 2: Convert to fraction form
    6,343.67/8,758.58 = 3,954.60/x
  3. Step 3: Cross multiply
    6,343.67x = 8,758.58 × 3,954.60
  4. Step 4: Simplify right side
    6,343.67x = 34,636,660.70
  5. Step 5: Solve for x
    x = 34,636,660.70/6,343.67
  6. Step 6: Final answer
    x = 5,460.03

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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.