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Finding the Fourth Proportional to 11,476.84, 17,213.27 and 3,154.88

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Solution

The fourth proportional to 11,476.84, 17,213.27 and 3,154.88 is: 4,731.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,476.84 : 17,213.27 = 3,154.88 : x
  2. Step 2: Convert to fraction form
    11,476.84/17,213.27 = 3,154.88/x
  3. Step 3: Cross multiply
    11,476.84x = 17,213.27 × 3,154.88
  4. Step 4: Simplify right side
    11,476.84x = 54,305,727.70
  5. Step 5: Solve for x
    x = 54,305,727.70/11,476.84
  6. Step 6: Final answer
    x = 4,731.77

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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.