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Finding the Fourth Proportional to 34,752.78, 47,958.94 and 18,837.30

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Solution

The fourth proportional to 34,752.78, 47,958.94 and 18,837.30 is: 25,995.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,752.78 : 47,958.94 = 18,837.30 : x
  2. Step 2: Convert to fraction form
    34,752.78/47,958.94 = 18,837.30/x
  3. Step 3: Cross multiply
    34,752.78x = 47,958.94 × 18,837.30
  4. Step 4: Simplify right side
    34,752.78x = 903,416,747.76
  5. Step 5: Solve for x
    x = 903,416,747.76/34,752.78
  6. Step 6: Final answer
    x = 25,995.52

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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.