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Finding the Fourth Proportional to 18,733.17, 28,100.83 and 7,046.49

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Solution

The fourth proportional to 18,733.17, 28,100.83 and 7,046.49 is: 10,570.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733.17 : 28,100.83 = 7,046.49 : x
  2. Step 2: Convert to fraction form
    18,733.17/28,100.83 = 7,046.49/x
  3. Step 3: Cross multiply
    18,733.17x = 28,100.83 × 7,046.49
  4. Step 4: Simplify right side
    18,733.17x = 198,012,217.59
  5. Step 5: Solve for x
    x = 198,012,217.59/18,733.17
  6. Step 6: Final answer
    x = 10,570.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.