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Finding the Fourth Proportional to 5,872.97, 8,803.88 and 2,172.68

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Solution

The fourth proportional to 5,872.97, 8,803.88 and 2,172.68 is: 3,256.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.97 : 8,803.88 = 2,172.68 : x
  2. Step 2: Convert to fraction form
    5,872.97/8,803.88 = 2,172.68/x
  3. Step 3: Cross multiply
    5,872.97x = 8,803.88 × 2,172.68
  4. Step 4: Simplify right side
    5,872.97x = 19,128,025.14
  5. Step 5: Solve for x
    x = 19,128,025.14/5,872.97
  6. Step 6: Final answer
    x = 3,256.96

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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.