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Finding the Fourth Proportional to 3,495.44, 5,243.21 and 898.38

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Solution

The fourth proportional to 3,495.44, 5,243.21 and 898.38 is: 1,347.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.44 : 5,243.21 = 898.38 : x
  2. Step 2: Convert to fraction form
    3,495.44/5,243.21 = 898.38/x
  3. Step 3: Cross multiply
    3,495.44x = 5,243.21 × 898.38
  4. Step 4: Simplify right side
    3,495.44x = 4,710,395.00
  5. Step 5: Solve for x
    x = 4,710,395.00/3,495.44
  6. Step 6: Final answer
    x = 1,347.58

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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.