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Finding the Fourth Proportional to 17,908.31, 26,862.47 and 5,596.31

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Solution

The fourth proportional to 17,908.31, 26,862.47 and 5,596.31 is: 8,394.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,908.31 : 26,862.47 = 5,596.31 : x
  2. Step 2: Convert to fraction form
    17,908.31/26,862.47 = 5,596.31/x
  3. Step 3: Cross multiply
    17,908.31x = 26,862.47 × 5,596.31
  4. Step 4: Simplify right side
    17,908.31x = 150,330,709.49
  5. Step 5: Solve for x
    x = 150,330,709.49/17,908.31
  6. Step 6: Final answer
    x = 8,394.47

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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.