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Finding the Fourth Proportional to 6,644.60, 9,956.10 and 6,255.80

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Solution

The fourth proportional to 6,644.60, 9,956.10 and 6,255.80 is: 9,373.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644.60 : 9,956.10 = 6,255.80 : x
  2. Step 2: Convert to fraction form
    6,644.60/9,956.10 = 6,255.80/x
  3. Step 3: Cross multiply
    6,644.60x = 9,956.10 × 6,255.80
  4. Step 4: Simplify right side
    6,644.60x = 62,283,370.38
  5. Step 5: Solve for x
    x = 62,283,370.38/6,644.60
  6. Step 6: Final answer
    x = 9,373.53

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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.