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Finding the Fourth Proportional to 17,212.08, 25,819.02 and 5,525.40

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Solution

The fourth proportional to 17,212.08, 25,819.02 and 5,525.40 is: 8,288.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,212.08 : 25,819.02 = 5,525.40 : x
  2. Step 2: Convert to fraction form
    17,212.08/25,819.02 = 5,525.40/x
  3. Step 3: Cross multiply
    17,212.08x = 25,819.02 × 5,525.40
  4. Step 4: Simplify right side
    17,212.08x = 142,660,413.11
  5. Step 5: Solve for x
    x = 142,660,413.11/17,212.08
  6. Step 6: Final answer
    x = 8,288.39

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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.