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Finding the Fourth Proportional to 6,488.44, 8,953.98 and 3,694

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Solution

The fourth proportional to 6,488.44, 8,953.98 and 3,694 is: 5,097.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,488.44 : 8,953.98 = 3,694 : x
  2. Step 2: Convert to fraction form
    6,488.44/8,953.98 = 3,694/x
  3. Step 3: Cross multiply
    6,488.44x = 8,953.98 × 3,694
  4. Step 4: Simplify right side
    6,488.44x = 33,076,002.12
  5. Step 5: Solve for x
    x = 33,076,002.12/6,488.44
  6. Step 6: Final answer
    x = 5,097.68

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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.