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Finding the Fourth Proportional to 17,691.99, 26,548.24 and 8,927.59

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Solution

The fourth proportional to 17,691.99, 26,548.24 and 8,927.59 is: 13,396.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,691.99 : 26,548.24 = 8,927.59 : x
  2. Step 2: Convert to fraction form
    17,691.99/26,548.24 = 8,927.59/x
  3. Step 3: Cross multiply
    17,691.99x = 26,548.24 × 8,927.59
  4. Step 4: Simplify right side
    17,691.99x = 237,011,801.94
  5. Step 5: Solve for x
    x = 237,011,801.94/17,691.99
  6. Step 6: Final answer
    x = 13,396.56

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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.