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Finding the Fourth Proportional to 50,692.44, 76,038.70 and 13,756.44

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Solution

The fourth proportional to 50,692.44, 76,038.70 and 13,756.44 is: 20,634.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,692.44 : 76,038.70 = 13,756.44 : x
  2. Step 2: Convert to fraction form
    50,692.44/76,038.70 = 13,756.44/x
  3. Step 3: Cross multiply
    50,692.44x = 76,038.70 × 13,756.44
  4. Step 4: Simplify right side
    50,692.44x = 1,046,021,814.23
  5. Step 5: Solve for x
    x = 1,046,021,814.23/50,692.44
  6. Step 6: Final answer
    x = 20,634.67

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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.