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Finding the Fourth Proportional to 34,246.80, 51,379.80 and 16,717.20

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Solution

The fourth proportional to 34,246.80, 51,379.80 and 16,717.20 is: 25,080.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,246.80 : 51,379.80 = 16,717.20 : x
  2. Step 2: Convert to fraction form
    34,246.80/51,379.80 = 16,717.20/x
  3. Step 3: Cross multiply
    34,246.80x = 51,379.80 × 16,717.20
  4. Step 4: Simplify right side
    34,246.80x = 858,926,392.56
  5. Step 5: Solve for x
    x = 858,926,392.56/34,246.80
  6. Step 6: Final answer
    x = 25,080.49

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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.