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Finding the Fourth Proportional to 67,675.06, 93,370.11 and 39,375.28

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Solution

The fourth proportional to 67,675.06, 93,370.11 and 39,375.28 is: 54,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,675.06 : 93,370.11 = 39,375.28 : x
  2. Step 2: Convert to fraction form
    67,675.06/93,370.11 = 39,375.28/x
  3. Step 3: Cross multiply
    67,675.06x = 93,370.11 × 39,375.28
  4. Step 4: Simplify right side
    67,675.06x = 3,676,474,224.88
  5. Step 5: Solve for x
    x = 3,676,474,224.88/67,675.06
  6. Step 6: Final answer
    x = 54,325.39

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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.