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Finding the Fourth Proportional to 50,649.56, 75,974.22 and 13,713.56

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Solution

The fourth proportional to 50,649.56, 75,974.22 and 13,713.56 is: 20,570.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,649.56 : 75,974.22 = 13,713.56 : x
  2. Step 2: Convert to fraction form
    50,649.56/75,974.22 = 13,713.56/x
  3. Step 3: Cross multiply
    50,649.56x = 75,974.22 × 13,713.56
  4. Step 4: Simplify right side
    50,649.56x = 1,041,877,024.42
  5. Step 5: Solve for x
    x = 1,041,877,024.42/50,649.56
  6. Step 6: Final answer
    x = 20,570.31

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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.