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Finding the Fourth Proportional to 15,668.83, 23,510.43 and 6,786.88

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Solution

The fourth proportional to 15,668.83, 23,510.43 and 6,786.88 is: 10,183.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,668.83 : 23,510.43 = 6,786.88 : x
  2. Step 2: Convert to fraction form
    15,668.83/23,510.43 = 6,786.88/x
  3. Step 3: Cross multiply
    15,668.83x = 23,510.43 × 6,786.88
  4. Step 4: Simplify right side
    15,668.83x = 159,562,315.67
  5. Step 5: Solve for x
    x = 159,562,315.67/15,668.83
  6. Step 6: Final answer
    x = 10,183.42

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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.