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Finding the Fourth Proportional to 16,580.66, 24,879.63 and 7,344.50

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Solution

The fourth proportional to 16,580.66, 24,879.63 and 7,344.50 is: 11,020.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,580.66 : 24,879.63 = 7,344.50 : x
  2. Step 2: Convert to fraction form
    16,580.66/24,879.63 = 7,344.50/x
  3. Step 3: Cross multiply
    16,580.66x = 24,879.63 × 7,344.50
  4. Step 4: Simplify right side
    16,580.66x = 182,728,442.54
  5. Step 5: Solve for x
    x = 182,728,442.54/16,580.66
  6. Step 6: Final answer
    x = 11,020.58

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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.