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Finding the Fourth Proportional to 6,348.34, 8,760.45 and 3,553.66

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Solution

The fourth proportional to 6,348.34, 8,760.45 and 3,553.66 is: 4,903.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,348.34 : 8,760.45 = 3,553.66 : x
  2. Step 2: Convert to fraction form
    6,348.34/8,760.45 = 3,553.66/x
  3. Step 3: Cross multiply
    6,348.34x = 8,760.45 × 3,553.66
  4. Step 4: Simplify right side
    6,348.34x = 31,131,660.75
  5. Step 5: Solve for x
    x = 31,131,660.75/6,348.34
  6. Step 6: Final answer
    x = 4,903.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.