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Finding the Fourth Proportional to 6,324.81, 8,731.73 and 3,807.54

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Solution

The fourth proportional to 6,324.81, 8,731.73 and 3,807.54 is: 5,256.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,324.81 : 8,731.73 = 3,807.54 : x
  2. Step 2: Convert to fraction form
    6,324.81/8,731.73 = 3,807.54/x
  3. Step 3: Cross multiply
    6,324.81x = 8,731.73 × 3,807.54
  4. Step 4: Simplify right side
    6,324.81x = 33,246,411.24
  5. Step 5: Solve for x
    x = 33,246,411.24/6,324.81
  6. Step 6: Final answer
    x = 5,256.51

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1.5x scale

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.