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Finding the Fourth Proportional to 7,379.59, 11,053.78 and 5,967.95

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Solution

The fourth proportional to 7,379.59, 11,053.78 and 5,967.95 is: 8,939.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.59 : 11,053.78 = 5,967.95 : x
  2. Step 2: Convert to fraction form
    7,379.59/11,053.78 = 5,967.95/x
  3. Step 3: Cross multiply
    7,379.59x = 11,053.78 × 5,967.95
  4. Step 4: Simplify right side
    7,379.59x = 65,968,406.35
  5. Step 5: Solve for x
    x = 65,968,406.35/7,379.59
  6. Step 6: Final answer
    x = 8,939.31

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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.