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Finding the Fourth Proportional to 11,460, 17,190 and 3,252

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Solution

The fourth proportional to 11,460, 17,190 and 3,252 is: 4,878

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,460 : 17,190 = 3,252 : x
  2. Step 2: Convert to fraction form
    11,460/17,190 = 3,252/x
  3. Step 3: Cross multiply
    11,460x = 17,190 × 3,252
  4. Step 4: Simplify right side
    11,460x = 55,901,880
  5. Step 5: Solve for x
    x = 55,901,880/11,460
  6. Step 6: Final answer
    x = 4,878

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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.