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Finding the Fourth Proportional to 50,479.47, 75,700.36 and 16,739.31

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Solution

The fourth proportional to 50,479.47, 75,700.36 and 16,739.31 is: 25,102.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,479.47 : 75,700.36 = 16,739.31 : x
  2. Step 2: Convert to fraction form
    50,479.47/75,700.36 = 16,739.31/x
  3. Step 3: Cross multiply
    50,479.47x = 75,700.36 × 16,739.31
  4. Step 4: Simplify right side
    50,479.47x = 1,267,171,577.98
  5. Step 5: Solve for x
    x = 1,267,171,577.98/50,479.47
  6. Step 6: Final answer
    x = 25,102.71

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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.