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Finding the Fourth Proportional to 26,112, 39,168 and 6,656

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Solution

The fourth proportional to 26,112, 39,168 and 6,656 is: 9,984

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,112 : 39,168 = 6,656 : x
  2. Step 2: Convert to fraction form
    26,112/39,168 = 6,656/x
  3. Step 3: Cross multiply
    26,112x = 39,168 × 6,656
  4. Step 4: Simplify right side
    26,112x = 260,702,208
  5. Step 5: Solve for x
    x = 260,702,208/26,112
  6. Step 6: Final answer
    x = 9,984

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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.