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Finding the Fourth Proportional to 62,677.56, 86,495.13 and 35,819.99

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Solution

The fourth proportional to 62,677.56, 86,495.13 and 35,819.99 is: 49,431.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,677.56 : 86,495.13 = 35,819.99 : x
  2. Step 2: Convert to fraction form
    62,677.56/86,495.13 = 35,819.99/x
  3. Step 3: Cross multiply
    62,677.56x = 86,495.13 × 35,819.99
  4. Step 4: Simplify right side
    62,677.56x = 3,098,254,259.17
  5. Step 5: Solve for x
    x = 3,098,254,259.17/62,677.56
  6. Step 6: Final answer
    x = 49,431.63

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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.