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Finding the Fourth Proportional to 2,410.25, 3,615.74 and 744.03

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Solution

The fourth proportional to 2,410.25, 3,615.74 and 744.03 is: 1,116.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,410.25 : 3,615.74 = 744.03 : x
  2. Step 2: Convert to fraction form
    2,410.25/3,615.74 = 744.03/x
  3. Step 3: Cross multiply
    2,410.25x = 3,615.74 × 744.03
  4. Step 4: Simplify right side
    2,410.25x = 2,690,220.89
  5. Step 5: Solve for x
    x = 2,690,220.89/2,410.25
  6. Step 6: Final answer
    x = 1,116.16

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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.