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Finding the Fourth Proportional to 17,641.92, 26,444.43 and 12,954.96

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Solution

The fourth proportional to 17,641.92, 26,444.43 and 12,954.96 is: 19,418.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,641.92 : 26,444.43 = 12,954.96 : x
  2. Step 2: Convert to fraction form
    17,641.92/26,444.43 = 12,954.96/x
  3. Step 3: Cross multiply
    17,641.92x = 26,444.43 × 12,954.96
  4. Step 4: Simplify right side
    17,641.92x = 342,586,532.87
  5. Step 5: Solve for x
    x = 342,586,532.87/17,641.92
  6. Step 6: Final answer
    x = 19,418.89

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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.