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Finding the Fourth Proportional to 73,489.58, 101,414.97 and 39,955.58

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Solution

The fourth proportional to 73,489.58, 101,414.97 and 39,955.58 is: 55,138.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,489.58 : 101,414.97 = 39,955.58 : x
  2. Step 2: Convert to fraction form
    73,489.58/101,414.97 = 39,955.58/x
  3. Step 3: Cross multiply
    73,489.58x = 101,414.97 × 39,955.58
  4. Step 4: Simplify right side
    73,489.58x = 4,052,093,947.03
  5. Step 5: Solve for x
    x = 4,052,093,947.03/73,489.58
  6. Step 6: Final answer
    x = 55,138.35

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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.