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Finding the Fourth Proportional to 11,373.39, 17,063.96 and 6,939.93

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Solution

The fourth proportional to 11,373.39, 17,063.96 and 6,939.93 is: 10,412.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,373.39 : 17,063.96 = 6,939.93 : x
  2. Step 2: Convert to fraction form
    11,373.39/17,063.96 = 6,939.93/x
  3. Step 3: Cross multiply
    11,373.39x = 17,063.96 × 6,939.93
  4. Step 4: Simplify right side
    11,373.39x = 118,422,653.22
  5. Step 5: Solve for x
    x = 118,422,653.22/11,373.39
  6. Step 6: Final answer
    x = 10,412.26

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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.