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Finding the Fourth Proportional to 18,582.64, 25,608.64 and 18,241.03

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Solution

The fourth proportional to 18,582.64, 25,608.64 and 18,241.03 is: 25,137.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582.64 : 25,608.64 = 18,241.03 : x
  2. Step 2: Convert to fraction form
    18,582.64/25,608.64 = 18,241.03/x
  3. Step 3: Cross multiply
    18,582.64x = 25,608.64 × 18,241.03
  4. Step 4: Simplify right side
    18,582.64x = 467,127,991.11
  5. Step 5: Solve for x
    x = 467,127,991.11/18,582.64
  6. Step 6: Final answer
    x = 25,137.87

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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.