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Finding the Fourth Proportional to 44,755.43, 67,133.14 and 21,310.79

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Solution

The fourth proportional to 44,755.43, 67,133.14 and 21,310.79 is: 31,966.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,755.43 : 67,133.14 = 21,310.79 : x
  2. Step 2: Convert to fraction form
    44,755.43/67,133.14 = 21,310.79/x
  3. Step 3: Cross multiply
    44,755.43x = 67,133.14 × 21,310.79
  4. Step 4: Simplify right side
    44,755.43x = 1,430,660,231.26
  5. Step 5: Solve for x
    x = 1,430,660,231.26/44,755.43
  6. Step 6: Final answer
    x = 31,966.18

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1.5x scale

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.