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Finding the Fourth Proportional to 51,855.16, 77,781.84 and 16,794.88

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Solution

The fourth proportional to 51,855.16, 77,781.84 and 16,794.88 is: 25,192.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,855.16 : 77,781.84 = 16,794.88 : x
  2. Step 2: Convert to fraction form
    51,855.16/77,781.84 = 16,794.88/x
  3. Step 3: Cross multiply
    51,855.16x = 77,781.84 × 16,794.88
  4. Step 4: Simplify right side
    51,855.16x = 1,306,336,668.98
  5. Step 5: Solve for x
    x = 1,306,336,668.98/51,855.16
  6. Step 6: Final answer
    x = 25,192.03

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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.