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Finding the Fourth Proportional to 17,388.54, 23,997.20 and 9,835.54

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Solution

The fourth proportional to 17,388.54, 23,997.20 and 9,835.54 is: 13,573.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,388.54 : 23,997.20 = 9,835.54 : x
  2. Step 2: Convert to fraction form
    17,388.54/23,997.20 = 9,835.54/x
  3. Step 3: Cross multiply
    17,388.54x = 23,997.20 × 9,835.54
  4. Step 4: Simplify right side
    17,388.54x = 236,025,420.49
  5. Step 5: Solve for x
    x = 236,025,420.49/17,388.54
  6. Step 6: Final answer
    x = 13,573.62

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1.5x scale

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.