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Finding the Fourth Proportional to 16,604.62, 24,911.75 and 4,918.12

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Solution

The fourth proportional to 16,604.62, 24,911.75 and 4,918.12 is: 7,378.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,604.62 : 24,911.75 = 4,918.12 : x
  2. Step 2: Convert to fraction form
    16,604.62/24,911.75 = 4,918.12/x
  3. Step 3: Cross multiply
    16,604.62x = 24,911.75 × 4,918.12
  4. Step 4: Simplify right side
    16,604.62x = 122,518,951.32
  5. Step 5: Solve for x
    x = 122,518,951.32/16,604.62
  6. Step 6: Final answer
    x = 7,378.61

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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.