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Finding the Fourth Proportional to 7,625.04, 11,439 and 3,242.48

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Solution

The fourth proportional to 7,625.04, 11,439 and 3,242.48 is: 4,864.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.04 : 11,439 = 3,242.48 : x
  2. Step 2: Convert to fraction form
    7,625.04/11,439 = 3,242.48/x
  3. Step 3: Cross multiply
    7,625.04x = 11,439 × 3,242.48
  4. Step 4: Simplify right side
    7,625.04x = 37,090,728.72
  5. Step 5: Solve for x
    x = 37,090,728.72/7,625.04
  6. Step 6: Final answer
    x = 4,864.33

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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.