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Finding the Fourth Proportional to 45,965.84, 68,814.84 and 34,171.88

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Solution

The fourth proportional to 45,965.84, 68,814.84 and 34,171.88 is: 51,158.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,965.84 : 68,814.84 = 34,171.88 : x
  2. Step 2: Convert to fraction form
    45,965.84/68,814.84 = 34,171.88/x
  3. Step 3: Cross multiply
    45,965.84x = 68,814.84 × 34,171.88
  4. Step 4: Simplify right side
    45,965.84x = 2,351,532,454.70
  5. Step 5: Solve for x
    x = 2,351,532,454.70/45,965.84
  6. Step 6: Final answer
    x = 51,158.26

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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.