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Finding the Fourth Proportional to 73,739.16, 110,608.68 and 18,335.16

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Solution

The fourth proportional to 73,739.16, 110,608.68 and 18,335.16 is: 27,502.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,739.16 : 110,608.68 = 18,335.16 : x
  2. Step 2: Convert to fraction form
    73,739.16/110,608.68 = 18,335.16/x
  3. Step 3: Cross multiply
    73,739.16x = 110,608.68 × 18,335.16
  4. Step 4: Simplify right side
    73,739.16x = 2,028,027,845.19
  5. Step 5: Solve for x
    x = 2,028,027,845.19/73,739.16
  6. Step 6: Final answer
    x = 27,502.73

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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.