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Finding the Fourth Proportional to 3,357.36, 5,038.47 and 1,899.36

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Solution

The fourth proportional to 3,357.36, 5,038.47 and 1,899.36 is: 2,850.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.36 : 5,038.47 = 1,899.36 : x
  2. Step 2: Convert to fraction form
    3,357.36/5,038.47 = 1,899.36/x
  3. Step 3: Cross multiply
    3,357.36x = 5,038.47 × 1,899.36
  4. Step 4: Simplify right side
    3,357.36x = 9,569,868.38
  5. Step 5: Solve for x
    x = 9,569,868.38/3,357.36
  6. Step 6: Final answer
    x = 2,850.41

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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.