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Finding the Fourth Proportional to 36,477.84, 54,716.78 and 8,775.84

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Solution

The fourth proportional to 36,477.84, 54,716.78 and 8,775.84 is: 13,163.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,477.84 : 54,716.78 = 8,775.84 : x
  2. Step 2: Convert to fraction form
    36,477.84/54,716.78 = 8,775.84/x
  3. Step 3: Cross multiply
    36,477.84x = 54,716.78 × 8,775.84
  4. Step 4: Simplify right side
    36,477.84x = 480,185,933.72
  5. Step 5: Solve for x
    x = 480,185,933.72/36,477.84
  6. Step 6: Final answer
    x = 13,163.77

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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.