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Finding the Fourth Proportional to 6,755.59, 10,125.17 and 4,781.79

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Solution

The fourth proportional to 6,755.59, 10,125.17 and 4,781.79 is: 7,166.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,755.59 : 10,125.17 = 4,781.79 : x
  2. Step 2: Convert to fraction form
    6,755.59/10,125.17 = 4,781.79/x
  3. Step 3: Cross multiply
    6,755.59x = 10,125.17 × 4,781.79
  4. Step 4: Simplify right side
    6,755.59x = 48,416,430.68
  5. Step 5: Solve for x
    x = 48,416,430.68/6,755.59
  6. Step 6: Final answer
    x = 7,166.87

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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.