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Finding the Fourth Proportional to 40,755, 56,336.04 and 34,001.22

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Solution

The fourth proportional to 40,755, 56,336.04 and 34,001.22 is: 47,000.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,755 : 56,336.04 = 34,001.22 : x
  2. Step 2: Convert to fraction form
    40,755/56,336.04 = 34,001.22/x
  3. Step 3: Cross multiply
    40,755x = 56,336.04 × 34,001.22
  4. Step 4: Simplify right side
    40,755x = 1,915,494,089.97
  5. Step 5: Solve for x
    x = 1,915,494,089.97/40,755
  6. Step 6: Final answer
    x = 47,000.22

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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.