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Finding the Fourth Proportional to 35,640, 53,460 and 11,016

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Solution

The fourth proportional to 35,640, 53,460 and 11,016 is: 16,524

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,640 : 53,460 = 11,016 : x
  2. Step 2: Convert to fraction form
    35,640/53,460 = 11,016/x
  3. Step 3: Cross multiply
    35,640x = 53,460 × 11,016
  4. Step 4: Simplify right side
    35,640x = 588,915,360
  5. Step 5: Solve for x
    x = 588,915,360/35,640
  6. Step 6: Final answer
    x = 16,524

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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.