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Finding the Fourth Proportional to 17,079.88, 25,586.88 and 9,661.64

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Solution

The fourth proportional to 17,079.88, 25,586.88 and 9,661.64 is: 14,473.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,079.88 : 25,586.88 = 9,661.64 : x
  2. Step 2: Convert to fraction form
    17,079.88/25,586.88 = 9,661.64/x
  3. Step 3: Cross multiply
    17,079.88x = 25,586.88 × 9,661.64
  4. Step 4: Simplify right side
    17,079.88x = 247,211,223.28
  5. Step 5: Solve for x
    x = 247,211,223.28/17,079.88
  6. Step 6: Final answer
    x = 14,473.83

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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.