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Finding the Fourth Proportional to 4,543.97, 6,819.05 and 1,770.64

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Solution

The fourth proportional to 4,543.97, 6,819.05 and 1,770.64 is: 2,657.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543.97 : 6,819.05 = 1,770.64 : x
  2. Step 2: Convert to fraction form
    4,543.97/6,819.05 = 1,770.64/x
  3. Step 3: Cross multiply
    4,543.97x = 6,819.05 × 1,770.64
  4. Step 4: Simplify right side
    4,543.97x = 12,074,108.43
  5. Step 5: Solve for x
    x = 12,074,108.43/4,543.97
  6. Step 6: Final answer
    x = 2,657.17

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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.