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Finding the Fourth Proportional to 73,749.48, 110,660.94 and 33,768.40

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Solution

The fourth proportional to 73,749.48, 110,660.94 and 33,768.40 is: 50,669.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,749.48 : 110,660.94 = 33,768.40 : x
  2. Step 2: Convert to fraction form
    73,749.48/110,660.94 = 33,768.40/x
  3. Step 3: Cross multiply
    73,749.48x = 110,660.94 × 33,768.40
  4. Step 4: Simplify right side
    73,749.48x = 3,736,842,886.30
  5. Step 5: Solve for x
    x = 3,736,842,886.30/73,749.48
  6. Step 6: Final answer
    x = 50,669.41

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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.