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Finding the Fourth Proportional to 36,718, 50,670.98 and 19,951

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Solution

The fourth proportional to 36,718, 50,670.98 and 19,951 is: 27,532.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,718 : 50,670.98 = 19,951 : x
  2. Step 2: Convert to fraction form
    36,718/50,670.98 = 19,951/x
  3. Step 3: Cross multiply
    36,718x = 50,670.98 × 19,951
  4. Step 4: Simplify right side
    36,718x = 1,010,936,721.98
  5. Step 5: Solve for x
    x = 1,010,936,721.98/36,718
  6. Step 6: Final answer
    x = 27,532.46

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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.