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Finding the Fourth Proportional to 62,187.98, 93,285.17 and 17,821.25

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Solution

The fourth proportional to 62,187.98, 93,285.17 and 17,821.25 is: 26,732.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,187.98 : 93,285.17 = 17,821.25 : x
  2. Step 2: Convert to fraction form
    62,187.98/93,285.17 = 17,821.25/x
  3. Step 3: Cross multiply
    62,187.98x = 93,285.17 × 17,821.25
  4. Step 4: Simplify right side
    62,187.98x = 1,662,457,780.33
  5. Step 5: Solve for x
    x = 1,662,457,780.33/62,187.98
  6. Step 6: Final answer
    x = 26,732.79

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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.