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Finding the Fourth Proportional to 11,474.52, 17,214.48 and 4,078.68

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Solution

The fourth proportional to 11,474.52, 17,214.48 and 4,078.68 is: 6,118.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,474.52 : 17,214.48 = 4,078.68 : x
  2. Step 2: Convert to fraction form
    11,474.52/17,214.48 = 4,078.68/x
  3. Step 3: Cross multiply
    11,474.52x = 17,214.48 × 4,078.68
  4. Step 4: Simplify right side
    11,474.52x = 70,212,355.29
  5. Step 5: Solve for x
    x = 70,212,355.29/11,474.52
  6. Step 6: Final answer
    x = 6,118.98

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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.