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Finding the Fourth Proportional to 9,887.68, 14,826.74 and 3,650.62

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Solution

The fourth proportional to 9,887.68, 14,826.74 and 3,650.62 is: 5,474.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887.68 : 14,826.74 = 3,650.62 : x
  2. Step 2: Convert to fraction form
    9,887.68/14,826.74 = 3,650.62/x
  3. Step 3: Cross multiply
    9,887.68x = 14,826.74 × 3,650.62
  4. Step 4: Simplify right side
    9,887.68x = 54,126,793.58
  5. Step 5: Solve for x
    x = 54,126,793.58/9,887.68
  6. Step 6: Final answer
    x = 5,474.17

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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.