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Finding the Fourth Proportional to 73,022.41, 100,770.94 and 39,488.41

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Solution

The fourth proportional to 73,022.41, 100,770.94 and 39,488.41 is: 54,494.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,022.41 : 100,770.94 = 39,488.41 : x
  2. Step 2: Convert to fraction form
    73,022.41/100,770.94 = 39,488.41/x
  3. Step 3: Cross multiply
    73,022.41x = 100,770.94 × 39,488.41
  4. Step 4: Simplify right side
    73,022.41x = 3,979,284,194.81
  5. Step 5: Solve for x
    x = 3,979,284,194.81/73,022.41
  6. Step 6: Final answer
    x = 54,494.01

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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.