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Finding the Fourth Proportional to 17,640.89, 26,444.93 and 5,945.91

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Solution

The fourth proportional to 17,640.89, 26,444.93 and 5,945.91 is: 8,913.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640.89 : 26,444.93 = 5,945.91 : x
  2. Step 2: Convert to fraction form
    17,640.89/26,444.93 = 5,945.91/x
  3. Step 3: Cross multiply
    17,640.89x = 26,444.93 × 5,945.91
  4. Step 4: Simplify right side
    17,640.89x = 157,239,078.28
  5. Step 5: Solve for x
    x = 157,239,078.28/17,640.89
  6. Step 6: Final answer
    x = 8,913.33

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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.