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Finding the Fourth Proportional to 11,712, 17,568 and 3,504

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Solution

The fourth proportional to 11,712, 17,568 and 3,504 is: 5,256

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,712 : 17,568 = 3,504 : x
  2. Step 2: Convert to fraction form
    11,712/17,568 = 3,504/x
  3. Step 3: Cross multiply
    11,712x = 17,568 × 3,504
  4. Step 4: Simplify right side
    11,712x = 61,558,272
  5. Step 5: Solve for x
    x = 61,558,272/11,712
  6. Step 6: Final answer
    x = 5,256

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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.