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Finding the Fourth Proportional to 6,255, 9,393.23 and 5,553.79

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Solution

The fourth proportional to 6,255, 9,393.23 and 5,553.79 is: 8,340.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,255 : 9,393.23 = 5,553.79 : x
  2. Step 2: Convert to fraction form
    6,255/9,393.23 = 5,553.79/x
  3. Step 3: Cross multiply
    6,255x = 9,393.23 × 5,553.79
  4. Step 4: Simplify right side
    6,255x = 52,168,026.84
  5. Step 5: Solve for x
    x = 52,168,026.84/6,255
  6. Step 6: Final answer
    x = 8,340.21

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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.