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Finding the Fourth Proportional to 49,633, 68,497.92 and 27,281.32

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Solution

The fourth proportional to 49,633, 68,497.92 and 27,281.32 is: 37,650.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,633 : 68,497.92 = 27,281.32 : x
  2. Step 2: Convert to fraction form
    49,633/68,497.92 = 27,281.32/x
  3. Step 3: Cross multiply
    49,633x = 68,497.92 × 27,281.32
  4. Step 4: Simplify right side
    49,633x = 1,868,713,674.85
  5. Step 5: Solve for x
    x = 1,868,713,674.85/49,633
  6. Step 6: Final answer
    x = 37,650.63

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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.