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Finding the Fourth Proportional to 51,325.44, 76,812.88 and 43,014.84

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Solution

The fourth proportional to 51,325.44, 76,812.88 and 43,014.84 is: 64,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,325.44 : 76,812.88 = 43,014.84 : x
  2. Step 2: Convert to fraction form
    51,325.44/76,812.88 = 43,014.84/x
  3. Step 3: Cross multiply
    51,325.44x = 76,812.88 × 43,014.84
  4. Step 4: Simplify right side
    51,325.44x = 3,304,093,743.14
  5. Step 5: Solve for x
    x = 3,304,093,743.14/51,325.44
  6. Step 6: Final answer
    x = 64,375.36

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1.5x scale

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.