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Finding the Fourth Proportional to 2,442.36, 3,663.98 and 798.99

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Solution

The fourth proportional to 2,442.36, 3,663.98 and 798.99 is: 1,198.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.36 : 3,663.98 = 798.99 : x
  2. Step 2: Convert to fraction form
    2,442.36/3,663.98 = 798.99/x
  3. Step 3: Cross multiply
    2,442.36x = 3,663.98 × 798.99
  4. Step 4: Simplify right side
    2,442.36x = 2,927,485.38
  5. Step 5: Solve for x
    x = 2,927,485.38/2,442.36
  6. Step 6: Final answer
    x = 1,198.63

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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.