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Finding the Fourth Proportional to 7,362.90, 11,046.15 and 2,168.73

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Solution

The fourth proportional to 7,362.90, 11,046.15 and 2,168.73 is: 3,253.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,362.90 : 11,046.15 = 2,168.73 : x
  2. Step 2: Convert to fraction form
    7,362.90/11,046.15 = 2,168.73/x
  3. Step 3: Cross multiply
    7,362.90x = 11,046.15 × 2,168.73
  4. Step 4: Simplify right side
    7,362.90x = 23,956,116.89
  5. Step 5: Solve for x
    x = 23,956,116.89/7,362.90
  6. Step 6: Final answer
    x = 3,253.63

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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.