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Finding the Fourth Proportional to 50,701.80, 76,052.70 and 49,837.80

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Solution

The fourth proportional to 50,701.80, 76,052.70 and 49,837.80 is: 74,756.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,701.80 : 76,052.70 = 49,837.80 : x
  2. Step 2: Convert to fraction form
    50,701.80/76,052.70 = 49,837.80/x
  3. Step 3: Cross multiply
    50,701.80x = 76,052.70 × 49,837.80
  4. Step 4: Simplify right side
    50,701.80x = 3,790,299,252.06
  5. Step 5: Solve for x
    x = 3,790,299,252.06/50,701.80
  6. Step 6: Final answer
    x = 74,756.70

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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.