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Finding the Fourth Proportional to 5,938.91, 8,908.21 and 3,443.81

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Solution

The fourth proportional to 5,938.91, 8,908.21 and 3,443.81 is: 5,165.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.91 : 8,908.21 = 3,443.81 : x
  2. Step 2: Convert to fraction form
    5,938.91/8,908.21 = 3,443.81/x
  3. Step 3: Cross multiply
    5,938.91x = 8,908.21 × 3,443.81
  4. Step 4: Simplify right side
    5,938.91x = 30,678,165.46
  5. Step 5: Solve for x
    x = 30,678,165.46/5,938.91
  6. Step 6: Final answer
    x = 5,165.63

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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.