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Finding the Fourth Proportional to 13,794.76, 20,692.52 and 4,435.72

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Solution

The fourth proportional to 13,794.76, 20,692.52 and 4,435.72 is: 6,653.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,794.76 : 20,692.52 = 4,435.72 : x
  2. Step 2: Convert to fraction form
    13,794.76/20,692.52 = 4,435.72/x
  3. Step 3: Cross multiply
    13,794.76x = 20,692.52 × 4,435.72
  4. Step 4: Simplify right side
    13,794.76x = 91,786,297.45
  5. Step 5: Solve for x
    x = 91,786,297.45/13,794.76
  6. Step 6: Final answer
    x = 6,653.71

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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.