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Finding the Fourth Proportional to 18,334, 25,307.48 and 10,882

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Solution

The fourth proportional to 18,334, 25,307.48 and 10,882 is: 15,021.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,334 : 25,307.48 = 10,882 : x
  2. Step 2: Convert to fraction form
    18,334/25,307.48 = 10,882/x
  3. Step 3: Cross multiply
    18,334x = 25,307.48 × 10,882
  4. Step 4: Simplify right side
    18,334x = 275,395,997.36
  5. Step 5: Solve for x
    x = 275,395,997.36/18,334
  6. Step 6: Final answer
    x = 15,021.05

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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.