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Finding the Fourth Proportional to 3,069, 4,603.86 and 1,017

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Solution

The fourth proportional to 3,069, 4,603.86 and 1,017 is: 1,525.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069 : 4,603.86 = 1,017 : x
  2. Step 2: Convert to fraction form
    3,069/4,603.86 = 1,017/x
  3. Step 3: Cross multiply
    3,069x = 4,603.86 × 1,017
  4. Step 4: Simplify right side
    3,069x = 4,682,125.62
  5. Step 5: Solve for x
    x = 4,682,125.62/3,069
  6. Step 6: Final answer
    x = 1,525.62

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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.