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Finding the Fourth Proportional to 62,431.50, 93,647.34 and 25,495.50

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Solution

The fourth proportional to 62,431.50, 93,647.34 and 25,495.50 is: 38,243.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,431.50 : 93,647.34 = 25,495.50 : x
  2. Step 2: Convert to fraction form
    62,431.50/93,647.34 = 25,495.50/x
  3. Step 3: Cross multiply
    62,431.50x = 93,647.34 × 25,495.50
  4. Step 4: Simplify right side
    62,431.50x = 2,387,585,756.97
  5. Step 5: Solve for x
    x = 2,387,585,756.97/62,431.50
  6. Step 6: Final answer
    x = 38,243.29

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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.