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Finding the Fourth Proportional to 62,641.88, 86,446.16 and 33,961.76

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Solution

The fourth proportional to 62,641.88, 86,446.16 and 33,961.76 is: 46,867.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,641.88 : 86,446.16 = 33,961.76 : x
  2. Step 2: Convert to fraction form
    62,641.88/86,446.16 = 33,961.76/x
  3. Step 3: Cross multiply
    62,641.88x = 86,446.16 × 33,961.76
  4. Step 4: Simplify right side
    62,641.88x = 2,935,863,738.84
  5. Step 5: Solve for x
    x = 2,935,863,738.84/62,641.88
  6. Step 6: Final answer
    x = 46,867.43

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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.