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Finding the Fourth Proportional to 11,140, 16,710 and 2,932

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Solution

The fourth proportional to 11,140, 16,710 and 2,932 is: 4,398

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140 : 16,710 = 2,932 : x
  2. Step 2: Convert to fraction form
    11,140/16,710 = 2,932/x
  3. Step 3: Cross multiply
    11,140x = 16,710 × 2,932
  4. Step 4: Simplify right side
    11,140x = 48,993,720
  5. Step 5: Solve for x
    x = 48,993,720/11,140
  6. Step 6: Final answer
    x = 4,398

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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.