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Finding the Fourth Proportional to 25,162.54, 37,743.69 and 6,442.54

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Solution

The fourth proportional to 25,162.54, 37,743.69 and 6,442.54 is: 9,663.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,162.54 : 37,743.69 = 6,442.54 : x
  2. Step 2: Convert to fraction form
    25,162.54/37,743.69 = 6,442.54/x
  3. Step 3: Cross multiply
    25,162.54x = 37,743.69 × 6,442.54
  4. Step 4: Simplify right side
    25,162.54x = 243,165,232.57
  5. Step 5: Solve for x
    x = 243,165,232.57/25,162.54
  6. Step 6: Final answer
    x = 9,663.78

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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.