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Finding the Fourth Proportional to 73,001.73, 100,742.52 and 39,467.73

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Solution

The fourth proportional to 73,001.73, 100,742.52 and 39,467.73 is: 54,465.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,001.73 : 100,742.52 = 39,467.73 : x
  2. Step 2: Convert to fraction form
    73,001.73/100,742.52 = 39,467.73/x
  3. Step 3: Cross multiply
    73,001.73x = 100,742.52 × 39,467.73
  4. Step 4: Simplify right side
    73,001.73x = 3,976,078,578.88
  5. Step 5: Solve for x
    x = 3,976,078,578.88/73,001.73
  6. Step 6: Final answer
    x = 54,465.54

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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.