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Finding the Fourth Proportional to 44,694.38, 66,939.51 and 21,337.22

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Solution

The fourth proportional to 44,694.38, 66,939.51 and 21,337.22 is: 31,957.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,694.38 : 66,939.51 = 21,337.22 : x
  2. Step 2: Convert to fraction form
    44,694.38/66,939.51 = 21,337.22/x
  3. Step 3: Cross multiply
    44,694.38x = 66,939.51 × 21,337.22
  4. Step 4: Simplify right side
    44,694.38x = 1,428,303,051.56
  5. Step 5: Solve for x
    x = 1,428,303,051.56/44,694.38
  6. Step 6: Final answer
    x = 31,957.11

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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.