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Finding the Fourth Proportional to 3,495.76, 4,827.60 and 2,169.99

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Solution

The fourth proportional to 3,495.76, 4,827.60 and 2,169.99 is: 2,996.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.76 : 4,827.60 = 2,169.99 : x
  2. Step 2: Convert to fraction form
    3,495.76/4,827.60 = 2,169.99/x
  3. Step 3: Cross multiply
    3,495.76x = 4,827.60 × 2,169.99
  4. Step 4: Simplify right side
    3,495.76x = 10,475,843.72
  5. Step 5: Solve for x
    x = 10,475,843.72/3,495.76
  6. Step 6: Final answer
    x = 2,996.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.