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Finding the Fourth Proportional to 49,719, 68,612.28 and 27,363

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Solution

The fourth proportional to 49,719, 68,612.28 and 27,363 is: 37,760.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,719 : 68,612.28 = 27,363 : x
  2. Step 2: Convert to fraction form
    49,719/68,612.28 = 27,363/x
  3. Step 3: Cross multiply
    49,719x = 68,612.28 × 27,363
  4. Step 4: Simplify right side
    49,719x = 1,877,437,817.64
  5. Step 5: Solve for x
    x = 1,877,437,817.64/49,719
  6. Step 6: Final answer
    x = 37,760.97

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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.