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Finding the Fourth Proportional to 30,273.48, 41,765.22 and 19,089

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Solution

The fourth proportional to 30,273.48, 41,765.22 and 19,089 is: 26,335.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,273.48 : 41,765.22 = 19,089 : x
  2. Step 2: Convert to fraction form
    30,273.48/41,765.22 = 19,089/x
  3. Step 3: Cross multiply
    30,273.48x = 41,765.22 × 19,089
  4. Step 4: Simplify right side
    30,273.48x = 797,256,284.58
  5. Step 5: Solve for x
    x = 797,256,284.58/30,273.48
  6. Step 6: Final answer
    x = 26,335.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.