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Finding the Fourth Proportional to 17,193.60, 25,767.84 and 12,465.60

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Solution

The fourth proportional to 17,193.60, 25,767.84 and 12,465.60 is: 18,682.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,193.60 : 25,767.84 = 12,465.60 : x
  2. Step 2: Convert to fraction form
    17,193.60/25,767.84 = 12,465.60/x
  3. Step 3: Cross multiply
    17,193.60x = 25,767.84 × 12,465.60
  4. Step 4: Simplify right side
    17,193.60x = 321,211,586.30
  5. Step 5: Solve for x
    x = 321,211,586.30/17,193.60
  6. Step 6: Final answer
    x = 18,682.04

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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.