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Finding the Fourth Proportional to 33,708.56, 46,532.70 and 21,777.70

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Solution

The fourth proportional to 33,708.56, 46,532.70 and 21,777.70 is: 30,062.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,708.56 : 46,532.70 = 21,777.70 : x
  2. Step 2: Convert to fraction form
    33,708.56/46,532.70 = 21,777.70/x
  3. Step 3: Cross multiply
    33,708.56x = 46,532.70 × 21,777.70
  4. Step 4: Simplify right side
    33,708.56x = 1,013,375,180.79
  5. Step 5: Solve for x
    x = 1,013,375,180.79/33,708.56
  6. Step 6: Final answer
    x = 30,062.84

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1.5x scale

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.