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Finding the Fourth Proportional to 17,003.44, 25,470.48 and 8,658.80

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Solution

The fourth proportional to 17,003.44, 25,470.48 and 8,658.80 is: 12,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,003.44 : 25,470.48 = 8,658.80 : x
  2. Step 2: Convert to fraction form
    17,003.44/25,470.48 = 8,658.80/x
  3. Step 3: Cross multiply
    17,003.44x = 25,470.48 × 8,658.80
  4. Step 4: Simplify right side
    17,003.44x = 220,543,792.22
  5. Step 5: Solve for x
    x = 220,543,792.22/17,003.44
  6. Step 6: Final answer
    x = 12,970.54

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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.