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Finding the Fourth Proportional to 29,658.57, 40,928.45 and 16,229.67

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Solution

The fourth proportional to 29,658.57, 40,928.45 and 16,229.67 is: 22,396.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,658.57 : 40,928.45 = 16,229.67 : x
  2. Step 2: Convert to fraction form
    29,658.57/40,928.45 = 16,229.67/x
  3. Step 3: Cross multiply
    29,658.57x = 40,928.45 × 16,229.67
  4. Step 4: Simplify right side
    29,658.57x = 664,255,155.96
  5. Step 5: Solve for x
    x = 664,255,155.96/29,658.57
  6. Step 6: Final answer
    x = 22,396.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.