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Finding the Fourth Proportional to 1,740.52, 2,401.97 and 994.60

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Solution

The fourth proportional to 1,740.52, 2,401.97 and 994.60 is: 1,372.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.52 : 2,401.97 = 994.60 : x
  2. Step 2: Convert to fraction form
    1,740.52/2,401.97 = 994.60/x
  3. Step 3: Cross multiply
    1,740.52x = 2,401.97 × 994.60
  4. Step 4: Simplify right side
    1,740.52x = 2,389,004.12
  5. Step 5: Solve for x
    x = 2,389,004.12/1,740.52
  6. Step 6: Final answer
    x = 1,372.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.