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Finding the Fourth Proportional to 1,740.03, 2,401.50 and 994.06

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Solution

The fourth proportional to 1,740.03, 2,401.50 and 994.06 is: 1,371.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.03 : 2,401.50 = 994.06 : x
  2. Step 2: Convert to fraction form
    1,740.03/2,401.50 = 994.06/x
  3. Step 3: Cross multiply
    1,740.03x = 2,401.50 × 994.06
  4. Step 4: Simplify right side
    1,740.03x = 2,387,235.09
  5. Step 5: Solve for x
    x = 2,387,235.09/1,740.03
  6. Step 6: Final answer
    x = 1,371.95

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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.