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Finding the Fourth Proportional to 17,628.30, 26,452.05 and 7,241.10

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Solution

The fourth proportional to 17,628.30, 26,452.05 and 7,241.10 is: 10,865.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,628.30 : 26,452.05 = 7,241.10 : x
  2. Step 2: Convert to fraction form
    17,628.30/26,452.05 = 7,241.10/x
  3. Step 3: Cross multiply
    17,628.30x = 26,452.05 × 7,241.10
  4. Step 4: Simplify right side
    17,628.30x = 191,541,939.26
  5. Step 5: Solve for x
    x = 191,541,939.26/17,628.30
  6. Step 6: Final answer
    x = 10,865.59

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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.