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Finding the Fourth Proportional to 75,794.40, 113,691.60 and 36,331.20

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Solution

The fourth proportional to 75,794.40, 113,691.60 and 36,331.20 is: 54,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,794.40 : 113,691.60 = 36,331.20 : x
  2. Step 2: Convert to fraction form
    75,794.40/113,691.60 = 36,331.20/x
  3. Step 3: Cross multiply
    75,794.40x = 113,691.60 × 36,331.20
  4. Step 4: Simplify right side
    75,794.40x = 4,130,552,257.92
  5. Step 5: Solve for x
    x = 4,130,552,257.92/75,794.40
  6. Step 6: Final answer
    x = 54,496.80

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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.