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Finding the Fourth Proportional to 3,805.03, 5,707.14 and 1,339.93

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Solution

The fourth proportional to 3,805.03, 5,707.14 and 1,339.93 is: 2,009.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.03 : 5,707.14 = 1,339.93 : x
  2. Step 2: Convert to fraction form
    3,805.03/5,707.14 = 1,339.93/x
  3. Step 3: Cross multiply
    3,805.03x = 5,707.14 × 1,339.93
  4. Step 4: Simplify right side
    3,805.03x = 7,647,168.10
  5. Step 5: Solve for x
    x = 7,647,168.10/3,805.03
  6. Step 6: Final answer
    x = 2,009.75

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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.