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Finding the Fourth Proportional to 6,707.66, 9,256.18 and 3,723.28

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Solution

The fourth proportional to 6,707.66, 9,256.18 and 3,723.28 is: 5,137.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,707.66 : 9,256.18 = 3,723.28 : x
  2. Step 2: Convert to fraction form
    6,707.66/9,256.18 = 3,723.28/x
  3. Step 3: Cross multiply
    6,707.66x = 9,256.18 × 3,723.28
  4. Step 4: Simplify right side
    6,707.66x = 34,463,349.87
  5. Step 5: Solve for x
    x = 34,463,349.87/6,707.66
  6. Step 6: Final answer
    x = 5,137.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.