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Finding the Fourth Proportional to 11,143.82, 16,707.08 and 4,983.50

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Solution

The fourth proportional to 11,143.82, 16,707.08 and 4,983.50 is: 7,471.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,143.82 : 16,707.08 = 4,983.50 : x
  2. Step 2: Convert to fraction form
    11,143.82/16,707.08 = 4,983.50/x
  3. Step 3: Cross multiply
    11,143.82x = 16,707.08 × 4,983.50
  4. Step 4: Simplify right side
    11,143.82x = 83,259,733.18
  5. Step 5: Solve for x
    x = 83,259,733.18/11,143.82
  6. Step 6: Final answer
    x = 7,471.38

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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.