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Finding the Fourth Proportional to 4,733.88, 7,101.72 and 2,136.81

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Solution

The fourth proportional to 4,733.88, 7,101.72 and 2,136.81 is: 3,205.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,733.88 : 7,101.72 = 2,136.81 : x
  2. Step 2: Convert to fraction form
    4,733.88/7,101.72 = 2,136.81/x
  3. Step 3: Cross multiply
    4,733.88x = 7,101.72 × 2,136.81
  4. Step 4: Simplify right side
    4,733.88x = 15,175,026.31
  5. Step 5: Solve for x
    x = 15,175,026.31/4,733.88
  6. Step 6: Final answer
    x = 3,205.62

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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.