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Finding the Fourth Proportional to 3,205.98, 4,802.03 and 1,559.07

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Solution

The fourth proportional to 3,205.98, 4,802.03 and 1,559.07 is: 2,335.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.98 : 4,802.03 = 1,559.07 : x
  2. Step 2: Convert to fraction form
    3,205.98/4,802.03 = 1,559.07/x
  3. Step 3: Cross multiply
    3,205.98x = 4,802.03 × 1,559.07
  4. Step 4: Simplify right side
    3,205.98x = 7,486,693.12
  5. Step 5: Solve for x
    x = 7,486,693.12/3,205.98
  6. Step 6: Final answer
    x = 2,335.23

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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.