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Finding the Fourth Proportional to 75,379.80, 113,094.27 and 37,920.54

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Solution

The fourth proportional to 75,379.80, 113,094.27 and 37,920.54 is: 56,893.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,379.80 : 113,094.27 = 37,920.54 : x
  2. Step 2: Convert to fraction form
    75,379.80/113,094.27 = 37,920.54/x
  3. Step 3: Cross multiply
    75,379.80x = 113,094.27 × 37,920.54
  4. Step 4: Simplify right side
    75,379.80x = 4,288,595,789.31
  5. Step 5: Solve for x
    x = 4,288,595,789.31/75,379.80
  6. Step 6: Final answer
    x = 56,893.17

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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.