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Finding the Fourth Proportional to 11,347.43, 17,021.43 and 3,027.42

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Solution

The fourth proportional to 11,347.43, 17,021.43 and 3,027.42 is: 4,541.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.43 : 17,021.43 = 3,027.42 : x
  2. Step 2: Convert to fraction form
    11,347.43/17,021.43 = 3,027.42/x
  3. Step 3: Cross multiply
    11,347.43x = 17,021.43 × 3,027.42
  4. Step 4: Simplify right side
    11,347.43x = 51,531,017.61
  5. Step 5: Solve for x
    x = 51,531,017.61/11,347.43
  6. Step 6: Final answer
    x = 4,541.21

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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.