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Finding the Fourth Proportional to 8,043, 12,062.64 and 2,200.05

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Solution

The fourth proportional to 8,043, 12,062.64 and 2,200.05 is: 3,299.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,043 : 12,062.64 = 2,200.05 : x
  2. Step 2: Convert to fraction form
    8,043/12,062.64 = 2,200.05/x
  3. Step 3: Cross multiply
    8,043x = 12,062.64 × 2,200.05
  4. Step 4: Simplify right side
    8,043x = 26,538,411.13
  5. Step 5: Solve for x
    x = 26,538,411.13/8,043
  6. Step 6: Final answer
    x = 3,299.57

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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.