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Finding the Fourth Proportional to 14,617.97, 21,926.90 and 5,257.97

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Solution

The fourth proportional to 14,617.97, 21,926.90 and 5,257.97 is: 7,886.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.97 : 21,926.90 = 5,257.97 : x
  2. Step 2: Convert to fraction form
    14,617.97/21,926.90 = 5,257.97/x
  3. Step 3: Cross multiply
    14,617.97x = 21,926.90 × 5,257.97
  4. Step 4: Simplify right side
    14,617.97x = 115,290,982.39
  5. Step 5: Solve for x
    x = 115,290,982.39/14,617.97
  6. Step 6: Final answer
    x = 7,886.94

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Similar ratio
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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.