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Finding the Fourth Proportional to 18,102.69, 24,982.02 and 10,144.44

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Solution

The fourth proportional to 18,102.69, 24,982.02 and 10,144.44 is: 13,999.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,102.69 : 24,982.02 = 10,144.44 : x
  2. Step 2: Convert to fraction form
    18,102.69/24,982.02 = 10,144.44/x
  3. Step 3: Cross multiply
    18,102.69x = 24,982.02 × 10,144.44
  4. Step 4: Simplify right side
    18,102.69x = 253,428,602.97
  5. Step 5: Solve for x
    x = 253,428,602.97/18,102.69
  6. Step 6: Final answer
    x = 13,999.50

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1.5x scale

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.