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Finding the Fourth Proportional to 1,469.98, 2,208.24 and 1,395.40

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Solution

The fourth proportional to 1,469.98, 2,208.24 and 1,395.40 is: 2,096.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.98 : 2,208.24 = 1,395.40 : x
  2. Step 2: Convert to fraction form
    1,469.98/2,208.24 = 1,395.40/x
  3. Step 3: Cross multiply
    1,469.98x = 2,208.24 × 1,395.40
  4. Step 4: Simplify right side
    1,469.98x = 3,081,378.10
  5. Step 5: Solve for x
    x = 3,081,378.10/1,469.98
  6. Step 6: Final answer
    x = 2,096.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.