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Finding the Fourth Proportional to 45,157.65, 67,711.80 and 35,857.41

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Solution

The fourth proportional to 45,157.65, 67,711.80 and 35,857.41 is: 53,766.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,157.65 : 67,711.80 = 35,857.41 : x
  2. Step 2: Convert to fraction form
    45,157.65/67,711.80 = 35,857.41/x
  3. Step 3: Cross multiply
    45,157.65x = 67,711.80 × 35,857.41
  4. Step 4: Simplify right side
    45,157.65x = 2,427,969,774.44
  5. Step 5: Solve for x
    x = 2,427,969,774.44/45,157.65
  6. Step 6: Final answer
    x = 53,766.52

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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.