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Finding the Fourth Proportional to 17,289.44, 25,927.68 and 8,528.48

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Solution

The fourth proportional to 17,289.44, 25,927.68 and 8,528.48 is: 12,789.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,289.44 : 25,927.68 = 8,528.48 : x
  2. Step 2: Convert to fraction form
    17,289.44/25,927.68 = 8,528.48/x
  3. Step 3: Cross multiply
    17,289.44x = 25,927.68 × 8,528.48
  4. Step 4: Simplify right side
    17,289.44x = 221,123,700.33
  5. Step 5: Solve for x
    x = 221,123,700.33/17,289.44
  6. Step 6: Final answer
    x = 12,789.52

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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.