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Finding the Fourth Proportional to 60,627, 83,665.26 and 34,131

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Solution

The fourth proportional to 60,627, 83,665.26 and 34,131 is: 47,100.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,627 : 83,665.26 = 34,131 : x
  2. Step 2: Convert to fraction form
    60,627/83,665.26 = 34,131/x
  3. Step 3: Cross multiply
    60,627x = 83,665.26 × 34,131
  4. Step 4: Simplify right side
    60,627x = 2,855,578,989.06
  5. Step 5: Solve for x
    x = 2,855,578,989.06/60,627
  6. Step 6: Final answer
    x = 47,100.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.