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Finding the Fourth Proportional to 16,941.74, 25,412.61 and 8,193.74

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Solution

The fourth proportional to 16,941.74, 25,412.61 and 8,193.74 is: 12,290.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,941.74 : 25,412.61 = 8,193.74 : x
  2. Step 2: Convert to fraction form
    16,941.74/25,412.61 = 8,193.74/x
  3. Step 3: Cross multiply
    16,941.74x = 25,412.61 × 8,193.74
  4. Step 4: Simplify right side
    16,941.74x = 208,224,235.05
  5. Step 5: Solve for x
    x = 208,224,235.05/16,941.74
  6. Step 6: Final answer
    x = 12,290.61

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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.