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Finding the Fourth Proportional to 5,673.94, 8,516.28 and 3,486.94

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Solution

The fourth proportional to 5,673.94, 8,516.28 and 3,486.94 is: 5,233.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,673.94 : 8,516.28 = 3,486.94 : x
  2. Step 2: Convert to fraction form
    5,673.94/8,516.28 = 3,486.94/x
  3. Step 3: Cross multiply
    5,673.94x = 8,516.28 × 3,486.94
  4. Step 4: Simplify right side
    5,673.94x = 29,695,757.38
  5. Step 5: Solve for x
    x = 29,695,757.38/5,673.94
  6. Step 6: Final answer
    x = 5,233.71

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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.