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Finding the Fourth Proportional to 50,380.88, 69,525.68 and 28,024.88

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Solution

The fourth proportional to 50,380.88, 69,525.68 and 28,024.88 is: 38,674.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,380.88 : 69,525.68 = 28,024.88 : x
  2. Step 2: Convert to fraction form
    50,380.88/69,525.68 = 28,024.88/x
  3. Step 3: Cross multiply
    50,380.88x = 69,525.68 × 28,024.88
  4. Step 4: Simplify right side
    50,380.88x = 1,948,448,351.17
  5. Step 5: Solve for x
    x = 1,948,448,351.17/50,380.88
  6. Step 6: Final answer
    x = 38,674.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.