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Finding the Fourth Proportional to 34,041.66, 51,063.09 and 11,855.45

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Solution

The fourth proportional to 34,041.66, 51,063.09 and 11,855.45 is: 17,783.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,041.66 : 51,063.09 = 11,855.45 : x
  2. Step 2: Convert to fraction form
    34,041.66/51,063.09 = 11,855.45/x
  3. Step 3: Cross multiply
    34,041.66x = 51,063.09 × 11,855.45
  4. Step 4: Simplify right side
    34,041.66x = 605,375,910.34
  5. Step 5: Solve for x
    x = 605,375,910.34/34,041.66
  6. Step 6: Final answer
    x = 17,783.38

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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.