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Finding the Fourth Proportional to 50,692.88, 76,039.46 and 13,756.88

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Solution

The fourth proportional to 50,692.88, 76,039.46 and 13,756.88 is: 20,635.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,692.88 : 76,039.46 = 13,756.88 : x
  2. Step 2: Convert to fraction form
    50,692.88/76,039.46 = 13,756.88/x
  3. Step 3: Cross multiply
    50,692.88x = 76,039.46 × 13,756.88
  4. Step 4: Simplify right side
    50,692.88x = 1,046,065,277.50
  5. Step 5: Solve for x
    x = 1,046,065,277.50/50,692.88
  6. Step 6: Final answer
    x = 20,635.35

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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.