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Finding the Fourth Proportional to 62,671.33, 93,996.91 and 18,287.68

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Solution

The fourth proportional to 62,671.33, 93,996.91 and 18,287.68 is: 27,428.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,671.33 : 93,996.91 = 18,287.68 : x
  2. Step 2: Convert to fraction form
    62,671.33/93,996.91 = 18,287.68/x
  3. Step 3: Cross multiply
    62,671.33x = 93,996.91 × 18,287.68
  4. Step 4: Simplify right side
    62,671.33x = 1,718,984,849.65
  5. Step 5: Solve for x
    x = 1,718,984,849.65/62,671.33
  6. Step 6: Final answer
    x = 27,428.57

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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.