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Finding the Fourth Proportional to 17,735.64, 26,604.02 and 6,640.22

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Solution

The fourth proportional to 17,735.64, 26,604.02 and 6,640.22 is: 9,960.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,735.64 : 26,604.02 = 6,640.22 : x
  2. Step 2: Convert to fraction form
    17,735.64/26,604.02 = 6,640.22/x
  3. Step 3: Cross multiply
    17,735.64x = 26,604.02 × 6,640.22
  4. Step 4: Simplify right side
    17,735.64x = 176,656,379.46
  5. Step 5: Solve for x
    x = 176,656,379.46/17,735.64
  6. Step 6: Final answer
    x = 9,960.53

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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.