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Finding the Fourth Proportional to 7,361.95, 11,042.90 and 2,982.48

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Solution

The fourth proportional to 7,361.95, 11,042.90 and 2,982.48 is: 4,473.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.95 : 11,042.90 = 2,982.48 : x
  2. Step 2: Convert to fraction form
    7,361.95/11,042.90 = 2,982.48/x
  3. Step 3: Cross multiply
    7,361.95x = 11,042.90 × 2,982.48
  4. Step 4: Simplify right side
    7,361.95x = 32,935,235.85
  5. Step 5: Solve for x
    x = 32,935,235.85/7,361.95
  6. Step 6: Final answer
    x = 4,473.71

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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.