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Finding the Fourth Proportional to 25,009, 37,518.56 and 11,158

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Solution

The fourth proportional to 25,009, 37,518.56 and 11,158 is: 16,739.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,009 : 37,518.56 = 11,158 : x
  2. Step 2: Convert to fraction form
    25,009/37,518.56 = 11,158/x
  3. Step 3: Cross multiply
    25,009x = 37,518.56 × 11,158
  4. Step 4: Simplify right side
    25,009x = 418,632,092.48
  5. Step 5: Solve for x
    x = 418,632,092.48/25,009
  6. Step 6: Final answer
    x = 16,739.26

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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.