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Finding the Fourth Proportional to 1,770.62, 2,672.57 and 1,770.62

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Solution

The fourth proportional to 1,770.62, 2,672.57 and 1,770.62 is: 2,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.62 : 2,672.57 = 1,770.62 : x
  2. Step 2: Convert to fraction form
    1,770.62/2,672.57 = 1,770.62/x
  3. Step 3: Cross multiply
    1,770.62x = 2,672.57 × 1,770.62
  4. Step 4: Simplify right side
    1,770.62x = 4,732,083.68
  5. Step 5: Solve for x
    x = 4,732,083.68/1,770.62
  6. Step 6: Final answer
    x = 2,672.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.