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Finding the Fourth Proportional to 6,172.88, 9,258.44 and 2,012.92

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Solution

The fourth proportional to 6,172.88, 9,258.44 and 2,012.92 is: 3,019.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.88 : 9,258.44 = 2,012.92 : x
  2. Step 2: Convert to fraction form
    6,172.88/9,258.44 = 2,012.92/x
  3. Step 3: Cross multiply
    6,172.88x = 9,258.44 × 2,012.92
  4. Step 4: Simplify right side
    6,172.88x = 18,636,499.04
  5. Step 5: Solve for x
    x = 18,636,499.04/6,172.88
  6. Step 6: Final answer
    x = 3,019.09

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1.5x scale

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.