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Finding the Fourth Proportional to 16,609.87, 24,921.44 and 6,749.92

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Solution

The fourth proportional to 16,609.87, 24,921.44 and 6,749.92 is: 10,127.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,609.87 : 24,921.44 = 6,749.92 : x
  2. Step 2: Convert to fraction form
    16,609.87/24,921.44 = 6,749.92/x
  3. Step 3: Cross multiply
    16,609.87x = 24,921.44 × 6,749.92
  4. Step 4: Simplify right side
    16,609.87x = 168,217,567.93
  5. Step 5: Solve for x
    x = 168,217,567.93/16,609.87
  6. Step 6: Final answer
    x = 10,127.57

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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.