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Finding the Fourth Proportional to 16,651.68, 24,977.52 and 5,409.29

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Solution

The fourth proportional to 16,651.68, 24,977.52 and 5,409.29 is: 8,113.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,651.68 : 24,977.52 = 5,409.29 : x
  2. Step 2: Convert to fraction form
    16,651.68/24,977.52 = 5,409.29/x
  3. Step 3: Cross multiply
    16,651.68x = 24,977.52 × 5,409.29
  4. Step 4: Simplify right side
    16,651.68x = 135,110,524.27
  5. Step 5: Solve for x
    x = 135,110,524.27/16,651.68
  6. Step 6: Final answer
    x = 8,113.93

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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.