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Finding the Fourth Proportional to 6,957.04, 9,603.72 and 4,162

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Solution

The fourth proportional to 6,957.04, 9,603.72 and 4,162 is: 5,745.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,957.04 : 9,603.72 = 4,162 : x
  2. Step 2: Convert to fraction form
    6,957.04/9,603.72 = 4,162/x
  3. Step 3: Cross multiply
    6,957.04x = 9,603.72 × 4,162
  4. Step 4: Simplify right side
    6,957.04x = 39,970,682.64
  5. Step 5: Solve for x
    x = 39,970,682.64/6,957.04
  6. Step 6: Final answer
    x = 5,745.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.