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Finding the Fourth Proportional to 17,209.60, 23,733.60 and 11,239.36

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Solution

The fourth proportional to 17,209.60, 23,733.60 and 11,239.36 is: 15,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,209.60 : 23,733.60 = 11,239.36 : x
  2. Step 2: Convert to fraction form
    17,209.60/23,733.60 = 11,239.36/x
  3. Step 3: Cross multiply
    17,209.60x = 23,733.60 × 11,239.36
  4. Step 4: Simplify right side
    17,209.60x = 266,750,474.50
  5. Step 5: Solve for x
    x = 266,750,474.50/17,209.60
  6. Step 6: Final answer
    x = 15,500.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.