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Finding the Fourth Proportional to 22,028.67, 30,399.03 and 12,596.67

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Solution

The fourth proportional to 22,028.67, 30,399.03 and 12,596.67 is: 17,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,028.67 : 30,399.03 = 12,596.67 : x
  2. Step 2: Convert to fraction form
    22,028.67/30,399.03 = 12,596.67/x
  3. Step 3: Cross multiply
    22,028.67x = 30,399.03 × 12,596.67
  4. Step 4: Simplify right side
    22,028.67x = 382,926,549.23
  5. Step 5: Solve for x
    x = 382,926,549.23/22,028.67
  6. Step 6: Final answer
    x = 17,383.10

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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.