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Finding the Fourth Proportional to 67,954.05, 93,779.70 and 37,739.49

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Solution

The fourth proportional to 67,954.05, 93,779.70 and 37,739.49 is: 52,082.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,954.05 : 93,779.70 = 37,739.49 : x
  2. Step 2: Convert to fraction form
    67,954.05/93,779.70 = 37,739.49/x
  3. Step 3: Cross multiply
    67,954.05x = 93,779.70 × 37,739.49
  4. Step 4: Simplify right side
    67,954.05x = 3,539,198,050.35
  5. Step 5: Solve for x
    x = 3,539,198,050.35/67,954.05
  6. Step 6: Final answer
    x = 52,082.22

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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.