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Finding the Fourth Proportional to 7,243.98, 10,862.73 and 3,349.50

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Solution

The fourth proportional to 7,243.98, 10,862.73 and 3,349.50 is: 5,022.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.98 : 10,862.73 = 3,349.50 : x
  2. Step 2: Convert to fraction form
    7,243.98/10,862.73 = 3,349.50/x
  3. Step 3: Cross multiply
    7,243.98x = 10,862.73 × 3,349.50
  4. Step 4: Simplify right side
    7,243.98x = 36,384,714.14
  5. Step 5: Solve for x
    x = 36,384,714.14/7,243.98
  6. Step 6: Final answer
    x = 5,022.75

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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.