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Finding the Fourth Proportional to 3,497.73, 5,249.72 and 3,126.93

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Solution

The fourth proportional to 3,497.73, 5,249.72 and 3,126.93 is: 4,693.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,497.73 : 5,249.72 = 3,126.93 : x
  2. Step 2: Convert to fraction form
    3,497.73/5,249.72 = 3,126.93/x
  3. Step 3: Cross multiply
    3,497.73x = 5,249.72 × 3,126.93
  4. Step 4: Simplify right side
    3,497.73x = 16,415,491.32
  5. Step 5: Solve for x
    x = 16,415,491.32/3,497.73
  6. Step 6: Final answer
    x = 4,693.18

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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.