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Finding the Fourth Proportional to 17,199.15, 25,790.22 and 5,510.85

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Solution

The fourth proportional to 17,199.15, 25,790.22 and 5,510.85 is: 8,263.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,199.15 : 25,790.22 = 5,510.85 : x
  2. Step 2: Convert to fraction form
    17,199.15/25,790.22 = 5,510.85/x
  3. Step 3: Cross multiply
    17,199.15x = 25,790.22 × 5,510.85
  4. Step 4: Simplify right side
    17,199.15x = 142,126,033.89
  5. Step 5: Solve for x
    x = 142,126,033.89/17,199.15
  6. Step 6: Final answer
    x = 8,263.55

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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.