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Finding the Fourth Proportional to 25,950.80, 38,921.40 and 16,072.40

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Solution

The fourth proportional to 25,950.80, 38,921.40 and 16,072.40 is: 24,105.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,950.80 : 38,921.40 = 16,072.40 : x
  2. Step 2: Convert to fraction form
    25,950.80/38,921.40 = 16,072.40/x
  3. Step 3: Cross multiply
    25,950.80x = 38,921.40 × 16,072.40
  4. Step 4: Simplify right side
    25,950.80x = 625,560,309.36
  5. Step 5: Solve for x
    x = 625,560,309.36/25,950.80
  6. Step 6: Final answer
    x = 24,105.63

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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.