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Finding the Fourth Proportional to 11,040, 16,560 and 2,832

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Solution

The fourth proportional to 11,040, 16,560 and 2,832 is: 4,248

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040 : 16,560 = 2,832 : x
  2. Step 2: Convert to fraction form
    11,040/16,560 = 2,832/x
  3. Step 3: Cross multiply
    11,040x = 16,560 × 2,832
  4. Step 4: Simplify right side
    11,040x = 46,897,920
  5. Step 5: Solve for x
    x = 46,897,920/11,040
  6. Step 6: Final answer
    x = 4,248

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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.