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Finding the Fourth Proportional to 50,839.88, 76,259.84 and 13,903.88

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Solution

The fourth proportional to 50,839.88, 76,259.84 and 13,903.88 is: 20,855.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,839.88 : 76,259.84 = 13,903.88 : x
  2. Step 2: Convert to fraction form
    50,839.88/76,259.84 = 13,903.88/x
  3. Step 3: Cross multiply
    50,839.88x = 76,259.84 × 13,903.88
  4. Step 4: Simplify right side
    50,839.88x = 1,060,307,213.36
  5. Step 5: Solve for x
    x = 1,060,307,213.36/50,839.88
  6. Step 6: Final answer
    x = 20,855.82

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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.