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Finding the Fourth Proportional to 73,027.56, 109,541.36 and 20,444.79

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Solution

The fourth proportional to 73,027.56, 109,541.36 and 20,444.79 is: 30,667.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,027.56 : 109,541.36 = 20,444.79 : x
  2. Step 2: Convert to fraction form
    73,027.56/109,541.36 = 20,444.79/x
  3. Step 3: Cross multiply
    73,027.56x = 109,541.36 × 20,444.79
  4. Step 4: Simplify right side
    73,027.56x = 2,239,550,101.51
  5. Step 5: Solve for x
    x = 2,239,550,101.51/73,027.56
  6. Step 6: Final answer
    x = 30,667.19

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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.