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Finding the Fourth Proportional to 4,933.89, 7,398.54 and 1,814.04

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Solution

The fourth proportional to 4,933.89, 7,398.54 and 1,814.04 is: 2,720.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,933.89 : 7,398.54 = 1,814.04 : x
  2. Step 2: Convert to fraction form
    4,933.89/7,398.54 = 1,814.04/x
  3. Step 3: Cross multiply
    4,933.89x = 7,398.54 × 1,814.04
  4. Step 4: Simplify right side
    4,933.89x = 13,421,247.50
  5. Step 5: Solve for x
    x = 13,421,247.50/4,933.89
  6. Step 6: Final answer
    x = 2,720.22

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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.