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Finding the Fourth Proportional to 2,872.76, 4,333.03 and 2,530.37

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Solution

The fourth proportional to 2,872.76, 4,333.03 and 2,530.37 is: 3,816.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.76 : 4,333.03 = 2,530.37 : x
  2. Step 2: Convert to fraction form
    2,872.76/4,333.03 = 2,530.37/x
  3. Step 3: Cross multiply
    2,872.76x = 4,333.03 × 2,530.37
  4. Step 4: Simplify right side
    2,872.76x = 10,964,173.63
  5. Step 5: Solve for x
    x = 10,964,173.63/2,872.76
  6. Step 6: Final answer
    x = 3,816.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.