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Finding the Fourth Proportional to 56,608, 84,912 and 17,696

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Solution

The fourth proportional to 56,608, 84,912 and 17,696 is: 26,544

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,608 : 84,912 = 17,696 : x
  2. Step 2: Convert to fraction form
    56,608/84,912 = 17,696/x
  3. Step 3: Cross multiply
    56,608x = 84,912 × 17,696
  4. Step 4: Simplify right side
    56,608x = 1,502,602,752
  5. Step 5: Solve for x
    x = 1,502,602,752/56,608
  6. Step 6: Final answer
    x = 26,544

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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.