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Finding the Fourth Proportional to 37,755, 56,638.98 and 11,462.40

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Solution

The fourth proportional to 37,755, 56,638.98 and 11,462.40 is: 17,195.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,755 : 56,638.98 = 11,462.40 : x
  2. Step 2: Convert to fraction form
    37,755/56,638.98 = 11,462.40/x
  3. Step 3: Cross multiply
    37,755x = 56,638.98 × 11,462.40
  4. Step 4: Simplify right side
    37,755x = 649,218,644.35
  5. Step 5: Solve for x
    x = 649,218,644.35/37,755
  6. Step 6: Final answer
    x = 17,195.57

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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.