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Finding the Fourth Proportional to 29,211.46, 43,799.67 and 13,396.67

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Solution

The fourth proportional to 29,211.46, 43,799.67 and 13,396.67 is: 20,086.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,211.46 : 43,799.67 = 13,396.67 : x
  2. Step 2: Convert to fraction form
    29,211.46/43,799.67 = 13,396.67/x
  3. Step 3: Cross multiply
    29,211.46x = 43,799.67 × 13,396.67
  4. Step 4: Simplify right side
    29,211.46x = 586,769,860.21
  5. Step 5: Solve for x
    x = 586,769,860.21/29,211.46
  6. Step 6: Final answer
    x = 20,086.98

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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.