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Finding the Fourth Proportional to 17,751.63, 26,628.12 and 5,906.46

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Solution

The fourth proportional to 17,751.63, 26,628.12 and 5,906.46 is: 8,859.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,751.63 : 26,628.12 = 5,906.46 : x
  2. Step 2: Convert to fraction form
    17,751.63/26,628.12 = 5,906.46/x
  3. Step 3: Cross multiply
    17,751.63x = 26,628.12 × 5,906.46
  4. Step 4: Simplify right side
    17,751.63x = 157,277,925.66
  5. Step 5: Solve for x
    x = 157,277,925.66/17,751.63
  6. Step 6: Final answer
    x = 8,859.91

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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.