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Finding the Fourth Proportional to 2,442.98, 3,664.62 and 982.13

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Solution

The fourth proportional to 2,442.98, 3,664.62 and 982.13 is: 1,473.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.98 : 3,664.62 = 982.13 : x
  2. Step 2: Convert to fraction form
    2,442.98/3,664.62 = 982.13/x
  3. Step 3: Cross multiply
    2,442.98x = 3,664.62 × 982.13
  4. Step 4: Simplify right side
    2,442.98x = 3,599,133.24
  5. Step 5: Solve for x
    x = 3,599,133.24/2,442.98
  6. Step 6: Final answer
    x = 1,473.26

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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.