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Finding the Fourth Proportional to 50,692.56, 75,986.08 and 19,080.92

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Solution

The fourth proportional to 50,692.56, 75,986.08 and 19,080.92 is: 28,601.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,692.56 : 75,986.08 = 19,080.92 : x
  2. Step 2: Convert to fraction form
    50,692.56/75,986.08 = 19,080.92/x
  3. Step 3: Cross multiply
    50,692.56x = 75,986.08 × 19,080.92
  4. Step 4: Simplify right side
    50,692.56x = 1,449,884,313.59
  5. Step 5: Solve for x
    x = 1,449,884,313.59/50,692.56
  6. Step 6: Final answer
    x = 28,601.52

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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.