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Finding the Fourth Proportional to 62,881.65, 94,334.13 and 20,764.68

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Solution

The fourth proportional to 62,881.65, 94,334.13 and 20,764.68 is: 31,150.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,881.65 : 94,334.13 = 20,764.68 : x
  2. Step 2: Convert to fraction form
    62,881.65/94,334.13 = 20,764.68/x
  3. Step 3: Cross multiply
    62,881.65x = 94,334.13 × 20,764.68
  4. Step 4: Simplify right side
    62,881.65x = 1,958,818,022.53
  5. Step 5: Solve for x
    x = 1,958,818,022.53/62,881.65
  6. Step 6: Final answer
    x = 31,150.87

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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.