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Finding the Fourth Proportional to 67,954.43, 93,780.23 and 37,739.88

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Solution

The fourth proportional to 67,954.43, 93,780.23 and 37,739.88 is: 52,082.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,954.43 : 93,780.23 = 37,739.88 : x
  2. Step 2: Convert to fraction form
    67,954.43/93,780.23 = 37,739.88/x
  3. Step 3: Cross multiply
    67,954.43x = 93,780.23 × 37,739.88
  4. Step 4: Simplify right side
    67,954.43x = 3,539,254,437.87
  5. Step 5: Solve for x
    x = 3,539,254,437.87/67,954.43
  6. Step 6: Final answer
    x = 52,082.77

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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.