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Finding the Fourth Proportional to 11,882.84, 17,811.63 and 4,484.16

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Solution

The fourth proportional to 11,882.84, 17,811.63 and 4,484.16 is: 6,721.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,882.84 : 17,811.63 = 4,484.16 : x
  2. Step 2: Convert to fraction form
    11,882.84/17,811.63 = 4,484.16/x
  3. Step 3: Cross multiply
    11,882.84x = 17,811.63 × 4,484.16
  4. Step 4: Simplify right side
    11,882.84x = 79,870,198.78
  5. Step 5: Solve for x
    x = 79,870,198.78/11,882.84
  6. Step 6: Final answer
    x = 6,721.48

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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.