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Finding the Fourth Proportional to 3,359.00, 5,038.54 and 1,603.60

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Solution

The fourth proportional to 3,359.00, 5,038.54 and 1,603.60 is: 2,405.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359.00 : 5,038.54 = 1,603.60 : x
  2. Step 2: Convert to fraction form
    3,359.00/5,038.54 = 1,603.60/x
  3. Step 3: Cross multiply
    3,359.00x = 5,038.54 × 1,603.60
  4. Step 4: Simplify right side
    3,359.00x = 8,079,786.14
  5. Step 5: Solve for x
    x = 8,079,786.14/3,359.00
  6. Step 6: Final answer
    x = 2,405.41

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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.