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Finding the Fourth Proportional to 51,992.43, 77,995.13 and 16,922.67

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Solution

The fourth proportional to 51,992.43, 77,995.13 and 16,922.67 is: 25,386.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,992.43 : 77,995.13 = 16,922.67 : x
  2. Step 2: Convert to fraction form
    51,992.43/77,995.13 = 16,922.67/x
  3. Step 3: Cross multiply
    51,992.43x = 77,995.13 × 16,922.67
  4. Step 4: Simplify right side
    51,992.43x = 1,319,885,761.98
  5. Step 5: Solve for x
    x = 1,319,885,761.98/51,992.43
  6. Step 6: Final answer
    x = 25,386.11

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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.