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Finding the Fourth Proportional to 50,846.80, 76,277.40 and 15,782.80

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Solution

The fourth proportional to 50,846.80, 76,277.40 and 15,782.80 is: 23,676.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,846.80 : 76,277.40 = 15,782.80 : x
  2. Step 2: Convert to fraction form
    50,846.80/76,277.40 = 15,782.80/x
  3. Step 3: Cross multiply
    50,846.80x = 76,277.40 × 15,782.80
  4. Step 4: Simplify right side
    50,846.80x = 1,203,870,948.72
  5. Step 5: Solve for x
    x = 1,203,870,948.72/50,846.80
  6. Step 6: Final answer
    x = 23,676.43

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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.