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Finding the Fourth Proportional to 16,929.42, 25,400.22 and 7,568.67

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Solution

The fourth proportional to 16,929.42, 25,400.22 and 7,568.67 is: 11,355.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929.42 : 25,400.22 = 7,568.67 : x
  2. Step 2: Convert to fraction form
    16,929.42/25,400.22 = 7,568.67/x
  3. Step 3: Cross multiply
    16,929.42x = 25,400.22 × 7,568.67
  4. Step 4: Simplify right side
    16,929.42x = 192,245,883.11
  5. Step 5: Solve for x
    x = 192,245,883.11/16,929.42
  6. Step 6: Final answer
    x = 11,355.73

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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.