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Finding the Fourth Proportional to 73,805.09, 110,654.27 and 28,788.30

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Solution

The fourth proportional to 73,805.09, 110,654.27 and 28,788.30 is: 43,161.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,805.09 : 110,654.27 = 28,788.30 : x
  2. Step 2: Convert to fraction form
    73,805.09/110,654.27 = 28,788.30/x
  3. Step 3: Cross multiply
    73,805.09x = 110,654.27 × 28,788.30
  4. Step 4: Simplify right side
    73,805.09x = 3,185,548,321.04
  5. Step 5: Solve for x
    x = 3,185,548,321.04/73,805.09
  6. Step 6: Final answer
    x = 43,161.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.