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Finding the Fourth Proportional to 4,992.96, 6,888.11 and 3,289.27

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Solution

The fourth proportional to 4,992.96, 6,888.11 and 3,289.27 is: 4,537.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.96 : 6,888.11 = 3,289.27 : x
  2. Step 2: Convert to fraction form
    4,992.96/6,888.11 = 3,289.27/x
  3. Step 3: Cross multiply
    4,992.96x = 6,888.11 × 3,289.27
  4. Step 4: Simplify right side
    4,992.96x = 22,656,819.91
  5. Step 5: Solve for x
    x = 22,656,819.91/4,992.96
  6. Step 6: Final answer
    x = 4,537.75

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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.