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Finding the Fourth Proportional to 6,640.51, 9,960.58 and 2,023.51

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Solution

The fourth proportional to 6,640.51, 9,960.58 and 2,023.51 is: 3,035.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640.51 : 9,960.58 = 2,023.51 : x
  2. Step 2: Convert to fraction form
    6,640.51/9,960.58 = 2,023.51/x
  3. Step 3: Cross multiply
    6,640.51x = 9,960.58 × 2,023.51
  4. Step 4: Simplify right side
    6,640.51x = 20,155,333.24
  5. Step 5: Solve for x
    x = 20,155,333.24/6,640.51
  6. Step 6: Final answer
    x = 3,035.21

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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.