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Finding the Fourth Proportional to 16,790.88, 25,191.84 and 8,024.64

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Solution

The fourth proportional to 16,790.88, 25,191.84 and 8,024.64 is: 12,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,790.88 : 25,191.84 = 8,024.64 : x
  2. Step 2: Convert to fraction form
    16,790.88/25,191.84 = 8,024.64/x
  3. Step 3: Cross multiply
    16,790.88x = 25,191.84 × 8,024.64
  4. Step 4: Simplify right side
    16,790.88x = 202,155,446.94
  5. Step 5: Solve for x
    x = 202,155,446.94/16,790.88
  6. Step 6: Final answer
    x = 12,039.60

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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.