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Finding the Fourth Proportional to 7,755.75, 11,608.65 and 4,052.70

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Solution

The fourth proportional to 7,755.75, 11,608.65 and 4,052.70 is: 6,066.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,755.75 : 11,608.65 = 4,052.70 : x
  2. Step 2: Convert to fraction form
    7,755.75/11,608.65 = 4,052.70/x
  3. Step 3: Cross multiply
    7,755.75x = 11,608.65 × 4,052.70
  4. Step 4: Simplify right side
    7,755.75x = 47,046,375.86
  5. Step 5: Solve for x
    x = 47,046,375.86/7,755.75
  6. Step 6: Final answer
    x = 6,066.00

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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.