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Finding the Fourth Proportional to 17,206.60, 25,811.24 and 7,345.96

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Solution

The fourth proportional to 17,206.60, 25,811.24 and 7,345.96 is: 11,019.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,206.60 : 25,811.24 = 7,345.96 : x
  2. Step 2: Convert to fraction form
    17,206.60/25,811.24 = 7,345.96/x
  3. Step 3: Cross multiply
    17,206.60x = 25,811.24 × 7,345.96
  4. Step 4: Simplify right side
    17,206.60x = 189,608,336.59
  5. Step 5: Solve for x
    x = 189,608,336.59/17,206.60
  6. Step 6: Final answer
    x = 11,019.51

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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.