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Finding the Fourth Proportional to 4,992.57, 6,898.91 and 4,327.29

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Solution

The fourth proportional to 4,992.57, 6,898.91 and 4,327.29 is: 5,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.57 : 6,898.91 = 4,327.29 : x
  2. Step 2: Convert to fraction form
    4,992.57/6,898.91 = 4,327.29/x
  3. Step 3: Cross multiply
    4,992.57x = 6,898.91 × 4,327.29
  4. Step 4: Simplify right side
    4,992.57x = 29,853,562.62
  5. Step 5: Solve for x
    x = 29,853,562.62/4,992.57
  6. Step 6: Final answer
    x = 5,979.60

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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.