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Finding the Fourth Proportional to 44,717.80, 67,076.70 and 20,141.80

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Solution

The fourth proportional to 44,717.80, 67,076.70 and 20,141.80 is: 30,212.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,717.80 : 67,076.70 = 20,141.80 : x
  2. Step 2: Convert to fraction form
    44,717.80/67,076.70 = 20,141.80/x
  3. Step 3: Cross multiply
    44,717.80x = 67,076.70 × 20,141.80
  4. Step 4: Simplify right side
    44,717.80x = 1,351,045,476.06
  5. Step 5: Solve for x
    x = 1,351,045,476.06/44,717.80
  6. Step 6: Final answer
    x = 30,212.70

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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.