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Finding the Fourth Proportional to 62,775.99, 86,645.79 and 35,934

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Solution

The fourth proportional to 62,775.99, 86,645.79 and 35,934 is: 49,597.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,775.99 : 86,645.79 = 35,934 : x
  2. Step 2: Convert to fraction form
    62,775.99/86,645.79 = 35,934/x
  3. Step 3: Cross multiply
    62,775.99x = 86,645.79 × 35,934
  4. Step 4: Simplify right side
    62,775.99x = 3,113,529,817.86
  5. Step 5: Solve for x
    x = 3,113,529,817.86/62,775.99
  6. Step 6: Final answer
    x = 49,597.46

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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.