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Finding the Fourth Proportional to 50,448.87, 69,624.35 and 37,679.88

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Solution

The fourth proportional to 50,448.87, 69,624.35 and 37,679.88 is: 52,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,448.87 : 69,624.35 = 37,679.88 : x
  2. Step 2: Convert to fraction form
    50,448.87/69,624.35 = 37,679.88/x
  3. Step 3: Cross multiply
    50,448.87x = 69,624.35 × 37,679.88
  4. Step 4: Simplify right side
    50,448.87x = 2,623,437,153.08
  5. Step 5: Solve for x
    x = 2,623,437,153.08/50,448.87
  6. Step 6: Final answer
    x = 52,001.90

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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.