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Finding the Fourth Proportional to 15,940.25, 23,914.22 and 4,996.25

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Solution

The fourth proportional to 15,940.25, 23,914.22 and 4,996.25 is: 7,495.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,940.25 : 23,914.22 = 4,996.25 : x
  2. Step 2: Convert to fraction form
    15,940.25/23,914.22 = 4,996.25/x
  3. Step 3: Cross multiply
    15,940.25x = 23,914.22 × 4,996.25
  4. Step 4: Simplify right side
    15,940.25x = 119,481,421.68
  5. Step 5: Solve for x
    x = 119,481,421.68/15,940.25
  6. Step 6: Final answer
    x = 7,495.58

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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.