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Finding the Fourth Proportional to 29,153.34, 43,692.03 and 21,174.84

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Solution

The fourth proportional to 29,153.34, 43,692.03 and 21,174.84 is: 31,734.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,153.34 : 43,692.03 = 21,174.84 : x
  2. Step 2: Convert to fraction form
    29,153.34/43,692.03 = 21,174.84/x
  3. Step 3: Cross multiply
    29,153.34x = 43,692.03 × 21,174.84
  4. Step 4: Simplify right side
    29,153.34x = 925,171,744.53
  5. Step 5: Solve for x
    x = 925,171,744.53/29,153.34
  6. Step 6: Final answer
    x = 31,734.67

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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.