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Finding the Fourth Proportional to 50,914.46, 76,347.45 and 20,924.01

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Solution

The fourth proportional to 50,914.46, 76,347.45 and 20,924.01 is: 31,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,914.46 : 76,347.45 = 20,924.01 : x
  2. Step 2: Convert to fraction form
    50,914.46/76,347.45 = 20,924.01/x
  3. Step 3: Cross multiply
    50,914.46x = 76,347.45 × 20,924.01
  4. Step 4: Simplify right side
    50,914.46x = 1,597,494,807.27
  5. Step 5: Solve for x
    x = 1,597,494,807.27/50,914.46
  6. Step 6: Final answer
    x = 31,376.05

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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.