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Finding the Fourth Proportional to 17,041.60, 25,497.60 and 11,209.60

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Solution

The fourth proportional to 17,041.60, 25,497.60 and 11,209.60 is: 16,771.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,041.60 : 25,497.60 = 11,209.60 : x
  2. Step 2: Convert to fraction form
    17,041.60/25,497.60 = 11,209.60/x
  3. Step 3: Cross multiply
    17,041.60x = 25,497.60 × 11,209.60
  4. Step 4: Simplify right side
    17,041.60x = 285,817,896.96
  5. Step 5: Solve for x
    x = 285,817,896.96/17,041.60
  6. Step 6: Final answer
    x = 16,771.78

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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.