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Finding the Fourth Proportional to 1,739.88, 2,401.11 and 994.01

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Solution

The fourth proportional to 1,739.88, 2,401.11 and 994.01 is: 1,371.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.88 : 2,401.11 = 994.01 : x
  2. Step 2: Convert to fraction form
    1,739.88/2,401.11 = 994.01/x
  3. Step 3: Cross multiply
    1,739.88x = 2,401.11 × 994.01
  4. Step 4: Simplify right side
    1,739.88x = 2,386,715.35
  5. Step 5: Solve for x
    x = 2,386,715.35/1,739.88
  6. Step 6: Final answer
    x = 1,371.77

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