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Finding the Fourth Proportional to 11,377.68, 17,054.97 and 4,355.90

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Solution

The fourth proportional to 11,377.68, 17,054.97 and 4,355.90 is: 6,529.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,377.68 : 17,054.97 = 4,355.90 : x
  2. Step 2: Convert to fraction form
    11,377.68/17,054.97 = 4,355.90/x
  3. Step 3: Cross multiply
    11,377.68x = 17,054.97 × 4,355.90
  4. Step 4: Simplify right side
    11,377.68x = 74,289,658.55
  5. Step 5: Solve for x
    x = 74,289,658.55/11,377.68
  6. Step 6: Final answer
    x = 6,529.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.