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Finding the Fourth Proportional to 18,199.04, 25,112.64 and 10,244

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Solution

The fourth proportional to 18,199.04, 25,112.64 and 10,244 is: 14,135.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,199.04 : 25,112.64 = 10,244 : x
  2. Step 2: Convert to fraction form
    18,199.04/25,112.64 = 10,244/x
  3. Step 3: Cross multiply
    18,199.04x = 25,112.64 × 10,244
  4. Step 4: Simplify right side
    18,199.04x = 257,253,884.16
  5. Step 5: Solve for x
    x = 257,253,884.16/18,199.04
  6. Step 6: Final answer
    x = 14,135.57

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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.