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Finding the Fourth Proportional to 2,438.00, 3,656.24 and 794.31

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Solution

The fourth proportional to 2,438.00, 3,656.24 and 794.31 is: 1,191.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.00 : 3,656.24 = 794.31 : x
  2. Step 2: Convert to fraction form
    2,438.00/3,656.24 = 794.31/x
  3. Step 3: Cross multiply
    2,438.00x = 3,656.24 × 794.31
  4. Step 4: Simplify right side
    2,438.00x = 2,904,173.29
  5. Step 5: Solve for x
    x = 2,904,173.29/2,438.00
  6. Step 6: Final answer
    x = 1,191.21

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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.