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Finding the Fourth Proportional to 12,752.44, 19,136.22 and 6,908.92

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Solution

The fourth proportional to 12,752.44, 19,136.22 and 6,908.92 is: 10,367.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,752.44 : 19,136.22 = 6,908.92 : x
  2. Step 2: Convert to fraction form
    12,752.44/19,136.22 = 6,908.92/x
  3. Step 3: Cross multiply
    12,752.44x = 19,136.22 × 6,908.92
  4. Step 4: Simplify right side
    12,752.44x = 132,210,613.08
  5. Step 5: Solve for x
    x = 132,210,613.08/12,752.44
  6. Step 6: Final answer
    x = 10,367.48

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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.