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Finding the Fourth Proportional to 62,644.88, 86,450.28 and 33,964.76

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Solution

The fourth proportional to 62,644.88, 86,450.28 and 33,964.76 is: 46,871.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,644.88 : 86,450.28 = 33,964.76 : x
  2. Step 2: Convert to fraction form
    62,644.88/86,450.28 = 33,964.76/x
  3. Step 3: Cross multiply
    62,644.88x = 86,450.28 × 33,964.76
  4. Step 4: Simplify right side
    62,644.88x = 2,936,263,012.13
  5. Step 5: Solve for x
    x = 2,936,263,012.13/62,644.88
  6. Step 6: Final answer
    x = 46,871.56

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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.