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Finding the Fourth Proportional to 16,745.92, 25,119.48 and 5,651.76

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Solution

The fourth proportional to 16,745.92, 25,119.48 and 5,651.76 is: 8,477.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,745.92 : 25,119.48 = 5,651.76 : x
  2. Step 2: Convert to fraction form
    16,745.92/25,119.48 = 5,651.76/x
  3. Step 3: Cross multiply
    16,745.92x = 25,119.48 × 5,651.76
  4. Step 4: Simplify right side
    16,745.92x = 141,969,272.28
  5. Step 5: Solve for x
    x = 141,969,272.28/16,745.92
  6. Step 6: Final answer
    x = 8,477.84

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Double scale
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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.