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Finding the Fourth Proportional to 17,230.26, 25,845.40 and 4,918.26

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Solution

The fourth proportional to 17,230.26, 25,845.40 and 4,918.26 is: 7,377.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,230.26 : 25,845.40 = 4,918.26 : x
  2. Step 2: Convert to fraction form
    17,230.26/25,845.40 = 4,918.26/x
  3. Step 3: Cross multiply
    17,230.26x = 25,845.40 × 4,918.26
  4. Step 4: Simplify right side
    17,230.26x = 127,114,397.00
  5. Step 5: Solve for x
    x = 127,114,397.00/17,230.26
  6. Step 6: Final answer
    x = 7,377.39

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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.