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Finding the Fourth Proportional to 18,383.52, 25,369.02 and 10,000.02

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Solution

The fourth proportional to 18,383.52, 25,369.02 and 10,000.02 is: 13,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.52 : 25,369.02 = 10,000.02 : x
  2. Step 2: Convert to fraction form
    18,383.52/25,369.02 = 10,000.02/x
  3. Step 3: Cross multiply
    18,383.52x = 25,369.02 × 10,000.02
  4. Step 4: Simplify right side
    18,383.52x = 253,690,707.38
  5. Step 5: Solve for x
    x = 253,690,707.38/18,383.52
  6. Step 6: Final answer
    x = 13,799.90

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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.