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Finding the Fourth Proportional to 25,342.82, 38,003.28 and 9,749.50

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Solution

The fourth proportional to 25,342.82, 38,003.28 and 9,749.50 is: 14,620.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,342.82 : 38,003.28 = 9,749.50 : x
  2. Step 2: Convert to fraction form
    25,342.82/38,003.28 = 9,749.50/x
  3. Step 3: Cross multiply
    25,342.82x = 38,003.28 × 9,749.50
  4. Step 4: Simplify right side
    25,342.82x = 370,512,978.36
  5. Step 5: Solve for x
    x = 370,512,978.36/25,342.82
  6. Step 6: Final answer
    x = 14,620.04

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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.