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Finding the Fourth Proportional to 17,245.09, 25,863.53 and 4,764.84

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Solution

The fourth proportional to 17,245.09, 25,863.53 and 4,764.84 is: 7,146.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,245.09 : 25,863.53 = 4,764.84 : x
  2. Step 2: Convert to fraction form
    17,245.09/25,863.53 = 4,764.84/x
  3. Step 3: Cross multiply
    17,245.09x = 25,863.53 × 4,764.84
  4. Step 4: Simplify right side
    17,245.09x = 123,235,461.47
  5. Step 5: Solve for x
    x = 123,235,461.47/17,245.09
  6. Step 6: Final answer
    x = 7,146.12

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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.