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Finding the Fourth Proportional to 45,231.50, 62,419.50 and 25,359.50

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Solution

The fourth proportional to 45,231.50, 62,419.50 and 25,359.50 is: 34,996.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,231.50 : 62,419.50 = 25,359.50 : x
  2. Step 2: Convert to fraction form
    45,231.50/62,419.50 = 25,359.50/x
  3. Step 3: Cross multiply
    45,231.50x = 62,419.50 × 25,359.50
  4. Step 4: Simplify right side
    45,231.50x = 1,582,927,310.25
  5. Step 5: Solve for x
    x = 1,582,927,310.25/45,231.50
  6. Step 6: Final answer
    x = 34,996.13

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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.