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Finding the Fourth Proportional to 27,325.80, 40,923.90 and 16,828.20

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Solution

The fourth proportional to 27,325.80, 40,923.90 and 16,828.20 is: 25,202.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,325.80 : 40,923.90 = 16,828.20 : x
  2. Step 2: Convert to fraction form
    27,325.80/40,923.90 = 16,828.20/x
  3. Step 3: Cross multiply
    27,325.80x = 40,923.90 × 16,828.20
  4. Step 4: Simplify right side
    27,325.80x = 688,675,573.98
  5. Step 5: Solve for x
    x = 688,675,573.98/27,325.80
  6. Step 6: Final answer
    x = 25,202.39

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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.