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Finding the Fourth Proportional to 11,393.63, 17,098.04 and 4,379.43

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Solution

The fourth proportional to 11,393.63, 17,098.04 and 4,379.43 is: 6,572.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,393.63 : 17,098.04 = 4,379.43 : x
  2. Step 2: Convert to fraction form
    11,393.63/17,098.04 = 4,379.43/x
  3. Step 3: Cross multiply
    11,393.63x = 17,098.04 × 4,379.43
  4. Step 4: Simplify right side
    11,393.63x = 74,879,647.42
  5. Step 5: Solve for x
    x = 74,879,647.42/11,393.63
  6. Step 6: Final answer
    x = 6,572.07

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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.