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Finding the Fourth Proportional to 17,212.10, 25,815.71 and 5,523.80

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Solution

The fourth proportional to 17,212.10, 25,815.71 and 5,523.80 is: 8,284.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,212.10 : 25,815.71 = 5,523.80 : x
  2. Step 2: Convert to fraction form
    17,212.10/25,815.71 = 5,523.80/x
  3. Step 3: Cross multiply
    17,212.10x = 25,815.71 × 5,523.80
  4. Step 4: Simplify right side
    17,212.10x = 142,600,703.63
  5. Step 5: Solve for x
    x = 142,600,703.63/17,212.10
  6. Step 6: Final answer
    x = 8,284.91

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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.