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Finding the Fourth Proportional to 44,755.93, 67,133.90 and 21,311.29

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Solution

The fourth proportional to 44,755.93, 67,133.90 and 21,311.29 is: 31,966.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,755.93 : 67,133.90 = 21,311.29 : x
  2. Step 2: Convert to fraction form
    44,755.93/67,133.90 = 21,311.29/x
  3. Step 3: Cross multiply
    44,755.93x = 67,133.90 × 21,311.29
  4. Step 4: Simplify right side
    44,755.93x = 1,430,709,905.17
  5. Step 5: Solve for x
    x = 1,430,709,905.17/44,755.93
  6. Step 6: Final answer
    x = 31,966.94

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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.