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Finding the Fourth Proportional to 2,674.42, 4,010.14 and 825.01

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Solution

The fourth proportional to 2,674.42, 4,010.14 and 825.01 is: 1,237.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.42 : 4,010.14 = 825.01 : x
  2. Step 2: Convert to fraction form
    2,674.42/4,010.14 = 825.01/x
  3. Step 3: Cross multiply
    2,674.42x = 4,010.14 × 825.01
  4. Step 4: Simplify right side
    2,674.42x = 3,308,405.60
  5. Step 5: Solve for x
    x = 3,308,405.60/2,674.42
  6. Step 6: Final answer
    x = 1,237.06

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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.