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Finding the Fourth Proportional to 4,779.57, 7,163.94 and 2,434.62

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Solution

The fourth proportional to 4,779.57, 7,163.94 and 2,434.62 is: 3,649.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.57 : 7,163.94 = 2,434.62 : x
  2. Step 2: Convert to fraction form
    4,779.57/7,163.94 = 2,434.62/x
  3. Step 3: Cross multiply
    4,779.57x = 7,163.94 × 2,434.62
  4. Step 4: Simplify right side
    4,779.57x = 17,441,471.60
  5. Step 5: Solve for x
    x = 17,441,471.60/4,779.57
  6. Step 6: Final answer
    x = 3,649.17

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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.