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Finding the Fourth Proportional to 17,215.96, 25,824.90 and 4,903

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Solution

The fourth proportional to 17,215.96, 25,824.90 and 4,903 is: 7,354.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,215.96 : 25,824.90 = 4,903 : x
  2. Step 2: Convert to fraction form
    17,215.96/25,824.90 = 4,903/x
  3. Step 3: Cross multiply
    17,215.96x = 25,824.90 × 4,903
  4. Step 4: Simplify right side
    17,215.96x = 126,619,484.70
  5. Step 5: Solve for x
    x = 126,619,484.70/17,215.96
  6. Step 6: Final answer
    x = 7,354.77

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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.