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Finding the Fourth Proportional to 4,072.86, 5,621.01 and 2,500.02

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Solution

The fourth proportional to 4,072.86, 5,621.01 and 2,500.02 is: 3,450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.86 : 5,621.01 = 2,500.02 : x
  2. Step 2: Convert to fraction form
    4,072.86/5,621.01 = 2,500.02/x
  3. Step 3: Cross multiply
    4,072.86x = 5,621.01 × 2,500.02
  4. Step 4: Simplify right side
    4,072.86x = 14,052,637.42
  5. Step 5: Solve for x
    x = 14,052,637.42/4,072.86
  6. Step 6: Final answer
    x = 3,450.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.