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Finding the Fourth Proportional to 4,998.52, 7,499.64 and 2,500.81

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Solution

The fourth proportional to 4,998.52, 7,499.64 and 2,500.81 is: 3,752.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,998.52 : 7,499.64 = 2,500.81 : x
  2. Step 2: Convert to fraction form
    4,998.52/7,499.64 = 2,500.81/x
  3. Step 3: Cross multiply
    4,998.52x = 7,499.64 × 2,500.81
  4. Step 4: Simplify right side
    4,998.52x = 18,755,174.71
  5. Step 5: Solve for x
    x = 18,755,174.71/4,998.52
  6. Step 6: Final answer
    x = 3,752.15

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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.