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Finding the Fourth Proportional to 17,201.70, 25,802.55 and 5,523.30

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Solution

The fourth proportional to 17,201.70, 25,802.55 and 5,523.30 is: 8,284.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,201.70 : 25,802.55 = 5,523.30 : x
  2. Step 2: Convert to fraction form
    17,201.70/25,802.55 = 5,523.30/x
  3. Step 3: Cross multiply
    17,201.70x = 25,802.55 × 5,523.30
  4. Step 4: Simplify right side
    17,201.70x = 142,515,224.42
  5. Step 5: Solve for x
    x = 142,515,224.42/17,201.70
  6. Step 6: Final answer
    x = 8,284.95

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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.