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Finding the Fourth Proportional to 75,383.96, 113,078.34 and 37,923.56

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Solution

The fourth proportional to 75,383.96, 113,078.34 and 37,923.56 is: 56,886.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,383.96 : 113,078.34 = 37,923.56 : x
  2. Step 2: Convert to fraction form
    75,383.96/113,078.34 = 37,923.56/x
  3. Step 3: Cross multiply
    75,383.96x = 113,078.34 × 37,923.56
  4. Step 4: Simplify right side
    75,383.96x = 4,288,333,211.69
  5. Step 5: Solve for x
    x = 4,288,333,211.69/75,383.96
  6. Step 6: Final answer
    x = 56,886.55

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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.