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Finding the Fourth Proportional to 73,739.64, 110,609.85 and 18,335.64

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Solution

The fourth proportional to 73,739.64, 110,609.85 and 18,335.64 is: 27,503.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,739.64 : 110,609.85 = 18,335.64 : x
  2. Step 2: Convert to fraction form
    73,739.64/110,609.85 = 18,335.64/x
  3. Step 3: Cross multiply
    73,739.64x = 110,609.85 × 18,335.64
  4. Step 4: Simplify right side
    73,739.64x = 2,028,102,390.05
  5. Step 5: Solve for x
    x = 2,028,102,390.05/73,739.64
  6. Step 6: Final answer
    x = 27,503.56

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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.